[INFO] fetching crate diskspace_insight 0.1.7...
[INFO] checking diskspace_insight-0.1.7 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate diskspace_insight 0.1.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate diskspace_insight 0.1.7 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diskspace_insight 0.1.7
[INFO] finished tweaking crates.io crate diskspace_insight 0.1.7
[INFO] tweaked toml for crates.io crate diskspace_insight 0.1.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded transformation-pipeline v0.1.0
[INFO] [stderr]   Downloaded benchmark_sampledata v0.1.5
[INFO] [stderr]   Downloaded unzip v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b6946e0e7db0e531352a51f9c9826ff26b4e0e3f34930d902f30c8611bfc6c
[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" "e0b6946e0e7db0e531352a51f9c9826ff26b4e0e3f34930d902f30c8611bfc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b6946e0e7db0e531352a51f9c9826ff26b4e0e3f34930d902f30c8611bfc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b6946e0e7db0e531352a51f9c9826ff26b4e0e3f34930d902f30c8611bfc6c", kill_on_drop: false }`
[INFO] [stdout] e0b6946e0e7db0e531352a51f9c9826ff26b4e0e3f34930d902f30c8611bfc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03bdd444b3f6f304371a12c4ecf2b68a512ec03e1d76c7faba6e77648c37ed11
[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" "03bdd444b3f6f304371a12c4ecf2b68a512ec03e1d76c7faba6e77648c37ed11", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking transformation-pipeline v0.1.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking unzip v0.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.10
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking diskspace_insight v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking benchmark_sampledata v0.1.5
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Benchmark`, `black_box`
[INFO] [stdout]  --> benches/home.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Benchmark, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `criterion::Benchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]  --> benches/home.rs:1:61
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Benchmark, Criterion};
[INFO] [stdout]   |                                                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> benches/scan_kernel.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/scan_kernel.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     sd.remove();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.01s
[INFO] running `Command { std: "docker" "inspect" "03bdd444b3f6f304371a12c4ecf2b68a512ec03e1d76c7faba6e77648c37ed11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bdd444b3f6f304371a12c4ecf2b68a512ec03e1d76c7faba6e77648c37ed11", kill_on_drop: false }`
[INFO] [stdout] 03bdd444b3f6f304371a12c4ecf2b68a512ec03e1d76c7faba6e77648c37ed11