[INFO] fetching crate tfrecord 0.8.0...
[INFO] testing tfrecord-0.8.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tfrecord 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tfrecord 0.8.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfrecord 0.8.0
[INFO] finished tweaking crates.io crate tfrecord 0.8.0
[INFO] tweaked toml for crates.io crate tfrecord 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate tfrecord 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e643b02c86308e993fbe3107c943b2bdcd647bb15a906062aabcd8bb718898de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e643b02c86308e993fbe3107c943b2bdcd647bb15a906062aabcd8bb718898de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e643b02c86308e993fbe3107c943b2bdcd647bb15a906062aabcd8bb718898de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e643b02c86308e993fbe3107c943b2bdcd647bb15a906062aabcd8bb718898de", kill_on_drop: false }`
[INFO] [stdout] e643b02c86308e993fbe3107c943b2bdcd647bb15a906062aabcd8bb718898de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc73f82a758216e331ec5d63b374480fb39298dc897e9c05f8f46296111ce62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bc73f82a758216e331ec5d63b374480fb39298dc897e9c05f8f46296111ce62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling integer-encoding v3.0.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling crc v2.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling ureq v2.1.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tfrecord v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TryInfoImageList`, `error::Error`, `summary::Image`
[INFO] [stdout]  --> src/conversions/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     markers::{HistogramProtoElement, TensorProtoElement, TryInfoImageList},
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     protos::{
[INFO] [stdout] 5 |         feature::Kind, summary::Image, tensor_shape_proto::Dim, BytesList, DataType,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `ops::Deref`, `slice`
[INFO] [stdout]   --> src/conversions/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     collections::HashMap, convert::TryFrom, io::Cursor, ops::Deref, slice, sync::atomic::Ordering,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Luma`
[INFO] [stdout]   --> src/conversions/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Luma = 1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LumaA`
[INFO] [stdout]   --> src/conversions/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LumaA = 2,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rgb`
[INFO] [stdout]   --> src/conversions/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Rgb = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rgba`
[INFO] [stdout]   --> src/conversions/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Rgba = 4,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DigitalYuv`
[INFO] [stdout]   --> src/conversions/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     DigitalYuv = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bgra`
[INFO] [stdout]   --> src/conversions/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Bgra = 6,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_with_data`
[INFO] [stdout]   --> src/conversions/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn build_with_data<T>(self, data: &[T]) -> TensorProto
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "7bc73f82a758216e331ec5d63b374480fb39298dc897e9c05f8f46296111ce62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc73f82a758216e331ec5d63b374480fb39298dc897e9c05f8f46296111ce62", kill_on_drop: false }`
[INFO] [stdout] 7bc73f82a758216e331ec5d63b374480fb39298dc897e9c05f8f46296111ce62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdaa2f426ea4e28c90be625ec8024e4debea4019ec97d59ddcbbe9ba1d05db14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bdaa2f426ea4e28c90be625ec8024e4debea4019ec97d59ddcbbe9ba1d05db14", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct v0.5.0
[INFO] [stdout] warning: unused imports: `TryInfoImageList`, `error::Error`, `summary::Image`
[INFO] [stdout]  --> src/conversions/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     markers::{HistogramProtoElement, TensorProtoElement, TryInfoImageList},
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     protos::{
[INFO] [stdout] 5 |         feature::Kind, summary::Image, tensor_shape_proto::Dim, BytesList, DataType,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `ops::Deref`, `slice`
[INFO] [stdout]   --> src/conversions/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     collections::HashMap, convert::TryFrom, io::Cursor, ops::Deref, slice, sync::atomic::Ordering,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Luma`
[INFO] [stdout]   --> src/conversions/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Luma = 1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LumaA`
[INFO] [stdout]   --> src/conversions/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LumaA = 2,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stdout] warning: variant is never constructed: `Rgb`
[INFO] [stdout]   --> src/conversions/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Rgb = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: variant is never constructed: `Rgba`
[INFO] [stdout]   --> src/conversions/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Rgba = 4,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] warning: variant is never constructed: `DigitalYuv`
[INFO] [stdout]   --> src/conversions/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     DigitalYuv = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stdout] warning: variant is never constructed: `Bgra`
[INFO] [stdout]   --> src/conversions/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Bgra = 6,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling packed_struct_codegen v0.5.0
[INFO] [stdout] warning: associated function is never used: `build_with_data`
[INFO] [stdout]   --> src/conversions/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn build_with_data<T>(self, data: &[T]) -> TensorProto
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tfrecord v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `common::*`
[INFO] [stdout]  --> tests/summary.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use common::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> tests/summary.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_distr::Distribution`
[INFO] [stdout]  --> tests/summary.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand_distr::Distribution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> examples/tensorboard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> examples/tensorboard.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, path::PathBuf};
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> examples/tensorboard_async.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> examples/tensorboard_async.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, path::PathBuf};
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::*`
[INFO] [stdout]  --> tests/dataset.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use common::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> tests/dataset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/save_mnist_to_tfrecord.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(PackedStruct)]
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/save_mnist_to_tfrecord.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(PackedStruct)]
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/save_mnist_to_tfrecord.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[derive(PackedStruct)]
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryInfoImageList`, `error::Error`, `summary::Image`
[INFO] [stdout]  --> src/conversions/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     markers::{HistogramProtoElement, TensorProtoElement, TryInfoImageList},
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     protos::{
[INFO] [stdout] 5 |         feature::Kind, summary::Image, tensor_shape_proto::Dim, BytesList, DataType,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `ops::Deref`, `slice`
[INFO] [stdout]   --> src/conversions/mod.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     collections::HashMap, convert::TryFrom, io::Cursor, ops::Deref, slice, sync::atomic::Ordering,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Luma`
[INFO] [stdout]   --> src/conversions/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Luma = 1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LumaA`
[INFO] [stdout]   --> src/conversions/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LumaA = 2,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rgb`
[INFO] [stdout]   --> src/conversions/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Rgb = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rgba`
[INFO] [stdout]   --> src/conversions/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Rgba = 4,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DigitalYuv`
[INFO] [stdout]   --> src/conversions/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     DigitalYuv = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bgra`
[INFO] [stdout]   --> src/conversions/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Bgra = 6,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_with_data`
[INFO] [stdout]   --> src/conversions/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn build_with_data<T>(self, data: &[T]) -> TensorProto
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "bdaa2f426ea4e28c90be625ec8024e4debea4019ec97d59ddcbbe9ba1d05db14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdaa2f426ea4e28c90be625ec8024e4debea4019ec97d59ddcbbe9ba1d05db14", kill_on_drop: false }`
[INFO] [stdout] bdaa2f426ea4e28c90be625ec8024e4debea4019ec97d59ddcbbe9ba1d05db14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f1124c67ff1d2f2934e52aee9bf7b28dae1c99b813888eda9b79c1013dea3a7
[INFO] running `Command { std: "docker" "start" "-a" "5f1124c67ff1d2f2934e52aee9bf7b28dae1c99b813888eda9b79c1013dea3a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `TryInfoImageList`, `error::Error`, `summary::Image`
[INFO] [stderr]  --> src/conversions/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 3 |     markers::{HistogramProtoElement, TensorProtoElement, TryInfoImageList},
[INFO] [stderr]   |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     protos::{
[INFO] [stderr] 5 |         feature::Kind, summary::Image, tensor_shape_proto::Dim, BytesList, DataType,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `convert::TryFrom`, `io::Cursor`, `ops::Deref`, `slice`
[INFO] [stderr]   --> src/conversions/mod.rs:14:27
[INFO] [stderr]    |
[INFO] [stderr] 14 |     collections::HashMap, convert::TryFrom, io::Cursor, ops::Deref, slice, sync::atomic::Ordering,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Luma`
[INFO] [stderr]   --> src/conversions/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Luma = 1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LumaA`
[INFO] [stderr]   --> src/conversions/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     LumaA = 2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rgb`
[INFO] [stderr]   --> src/conversions/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Rgb = 3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rgba`
[INFO] [stderr]   --> src/conversions/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Rgba = 4,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DigitalYuv`
[INFO] [stderr]   --> src/conversions/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     DigitalYuv = 5,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bgra`
[INFO] [stderr]   --> src/conversions/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Bgra = 6,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build_with_data`
[INFO] [stderr]   --> src/conversions/mod.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn build_with_data<T>(self, data: &[T]) -> TensorProto
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tfrecord` (lib) generated 9 warnings
[INFO] [stderr] warning: `tfrecord` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: unused import: `common::*`
[INFO] [stderr]  --> tests/summary.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use common::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> tests/summary.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_distr::Distribution`
[INFO] [stderr]  --> tests/summary.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand_distr::Distribution;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> examples/save_mnist_to_tfrecord.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     #[derive(PackedStruct)]
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> examples/save_mnist_to_tfrecord.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     #[derive(PackedStruct)]
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> examples/save_mnist_to_tfrecord.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     #[derive(PackedStruct)]
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Result`
[INFO] [stderr]  --> examples/tensorboard.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use anyhow::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> examples/tensorboard.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{io, path::PathBuf};
[INFO] [stderr]   |           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `common::*`
[INFO] [stderr]  --> tests/dataset.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use common::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> tests/dataset.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Result`
[INFO] [stderr]  --> examples/tensorboard_async.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use anyhow::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> examples/tensorboard_async.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{io, path::PathBuf};
[INFO] [stderr]   |           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tfrecord` (test "summary") generated 3 warnings
[INFO] [stderr] warning: `tfrecord` (example "save_mnist_to_tfrecord") generated 3 warnings
[INFO] [stderr] warning: `tfrecord` (example "tensorboard") generated 2 warnings
[INFO] [stderr] warning: `tfrecord` (test "dataset") generated 2 warnings
[INFO] [stderr] warning: `tfrecord` (example "tensorboard_async") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tfrecord-5007d0f2fa3fb66c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test types::tests::simple_histogram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-ecacbcd7f36b0a91)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dataset.rs (/opt/rustwide/target/debug/deps/dataset-6c74f197b79aca5b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-eb6f37c1e3f1efa8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test blocking_writer_test ... FAILED
[INFO] [stdout] test blocking_reader_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- blocking_writer_test stdout ----
[INFO] [stdout] thread 'blocking_writer_test' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', tests/common.rs:46:44
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d8fcf74f70 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d8fcf74f70 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d8fcf74f70 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d8fcf74f70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d8fcf98adc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d8fcf6de65 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d8fcf770eb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d8fcf770eb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d8fcf770eb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d8fcf76bfc - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d8fcf777b4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d8fcf77297 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d8fcf7544c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d8fcf771f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d8fcccd5b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d8fcccd6a3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55d8fcd94267 - core::result::Result<T,E>::unwrap::hfa5da3d3b3221283
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55d8fccd261e - <example::common::DATA_DIR as core::ops::deref::Deref>::deref::__static_ref_initialize::ha0a3bb18147ff0c6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/common.rs:46:9
[INFO] [stdout]   18:     0x55d8fccd261e - core::ops::function::FnOnce::call_once::hb987d553707964bd
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d8fccd176b - lazy_static::lazy::Lazy<T>::get::{{closure}}::h871539de156bc0f8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   20:     0x55d8fccd1afb - std::sync::once::Once::call_once::{{closure}}::hccef9a32e56d7e01
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:261:41
[INFO] [stdout]   21:     0x55d8fccccb8c - std::sync::once::Once::call_inner::h35a51d54c8f07530
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:418:21
[INFO] [stdout]   22:     0x55d8fccd1988 - std::sync::once::Once::call_once::h6a21e03bc3805227
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:261:9
[INFO] [stdout]   23:     0x55d8fcce3e22 - lazy_static::lazy::Lazy<T>::get::h222063c26a0c4dd9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   24:     0x55d8fcce3e22 - <example::common::DATA_DIR as core::ops::deref::Deref>::deref::__stability::h020c7ce1be575a1d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   25:     0x55d8fcce3e22 - <example::common::DATA_DIR as core::ops::deref::Deref>::deref::h7ea2707ed11cf890
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   26:     0x55d8fccd3ec1 - example::blocking_writer_test::he2551b08ffe15ff9
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/example.rs:61:23
[INFO] [stdout]   27:     0x55d8fccd3e3e - example::blocking_writer_test::{{closure}}::hf0aef73f27fa2406
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/example.rs:60:1
[INFO] [stdout]   28:     0x55d8fccd20ae - core::ops::function::FnOnce::call_once::h3083b7ff4ecb9ed4
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   29:     0x55d8fcf21d03 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   30:     0x55d8fcf21d03 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   31:     0x55d8fcf207b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   32:     0x55d8fcf207b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d8fcf207b8 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d8fcf207b8 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d8fcf207b8 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d8fcf207b8 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   37:     0x55d8fcf207b8 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   38:     0x55d8fceeef4d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   39:     0x55d8fceeef4d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   40:     0x55d8fcef3718 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   41:     0x55d8fcef3718 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   42:     0x55d8fcef3718 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   43:     0x55d8fcef3718 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   44:     0x55d8fcef3718 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   45:     0x55d8fcef3718 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   46:     0x55d8fcef3718 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   47:     0x55d8fcf7d347 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   48:     0x55d8fcf7d347 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   49:     0x55d8fcf7d347 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   50:     0x7f19dc222609 - start_thread
[INFO] [stdout]   51:     0x7f19dbff4293 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- blocking_reader_test stdout ----
[INFO] [stdout] thread 'blocking_reader_test' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', tests/common.rs:34:44
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d8fcf74f70 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d8fcf74f70 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d8fcf74f70 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d8fcf74f70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d8fcf98adc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55d8fcf6de65 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55d8fcf770eb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d8fcf770eb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d8fcf770eb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55d8fcf76bfc - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55d8fcf777b4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55d8fcf77297 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55d8fcf7544c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d8fcf771f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55d8fcccd5b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55d8fcccd6a3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55d8fcd94267 - core::result::Result<T,E>::unwrap::hfa5da3d3b3221283
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55d8fccd2253 - <example::common::INPUT_TFRECORD_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h258e7c5c2174c603
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/common.rs:34:9
[INFO] [stdout]   18:     0x55d8fccd2253 - core::ops::function::FnOnce::call_once::h422b4bd8eae0f6da
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d8fccd171b - lazy_static::lazy::Lazy<T>::get::{{closure}}::h19d27b37119cf7bf
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   20:     0x55d8fccd1abb - std::sync::once::Once::call_once::{{closure}}::hbf0c486b7323ea34
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:261:41
[INFO] [stdout]   21:     0x55d8fccccb8c - std::sync::once::Once::call_inner::h35a51d54c8f07530
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:418:21
[INFO] [stdout]   22:     0x55d8fccd1a48 - std::sync::once::Once::call_once::heec3fea77aa261ea
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sync/once.rs:261:9
[INFO] [stdout]   23:     0x55d8fcce3d92 - lazy_static::lazy::Lazy<T>::get::hc014f8181a00069f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   24:     0x55d8fcce3d92 - <example::common::INPUT_TFRECORD_PATH as core::ops::deref::Deref>::deref::__stability::hd5a920a47474e85c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   25:     0x55d8fcce3d92 - <example::common::INPUT_TFRECORD_PATH as core::ops::deref::Deref>::deref::hcee0e57196714a9e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   26:     0x55d8fccd3555 - example::blocking_reader_test::ha80c26619d58a505
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/example.rs:9:72
[INFO] [stdout]   27:     0x55d8fccd34fe - example::blocking_reader_test::{{closure}}::h38ebd982eac3bd68
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/example.rs:6:1
[INFO] [stdout]   28:     0x55d8fccd263e - core::ops::function::FnOnce::call_once::hdbf2b52be6979179
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   29:     0x55d8fcf21d03 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   30:     0x55d8fcf21d03 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   31:     0x55d8fcf207b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   32:     0x55d8fcf207b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55d8fcf207b8 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55d8fcf207b8 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55d8fcf207b8 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55d8fcf207b8 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   37:     0x55d8fcf207b8 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   38:     0x55d8fceeef4d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   39:     0x55d8fceeef4d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   40:     0x55d8fcef3718 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   41:     0x55d8fcef3718 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   42:     0x55d8fcef3718 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   43:     0x55d8fcef3718 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   44:     0x55d8fcef3718 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   45:     0x55d8fcef3718 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   46:     0x55d8fcef3718 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   47:     0x55d8fcf7d347 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   48:     0x55d8fcf7d347 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   49:     0x55d8fcf7d347 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   50:     0x7f19dc222609 - start_thread
[INFO] [stdout]   51:     0x7f19dbff4293 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     blocking_reader_test
[INFO] [stdout]     blocking_writer_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test example'
[INFO] running `Command { std: "docker" "inspect" "5f1124c67ff1d2f2934e52aee9bf7b28dae1c99b813888eda9b79c1013dea3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1124c67ff1d2f2934e52aee9bf7b28dae1c99b813888eda9b79c1013dea3a7", kill_on_drop: false }`
[INFO] [stdout] 5f1124c67ff1d2f2934e52aee9bf7b28dae1c99b813888eda9b79c1013dea3a7
