[INFO] fetching crate qht 0.1.0...
[INFO] building qht-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate qht 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate qht 0.1.0
[INFO] finished tweaking crates.io crate qht 0.1.0
[INFO] tweaked toml for crates.io crate qht 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qht 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded rust-dense-bitset v0.1.1
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2adac9e155f11597051e7e39146c15dcc1c7fe13dedcafc4c7f5d286bbd9705
[INFO] running `Command { std: "docker" "start" "-a" "e2adac9e155f11597051e7e39146c15dcc1c7fe13dedcafc4c7f5d286bbd9705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2adac9e155f11597051e7e39146c15dcc1c7fe13dedcafc4c7f5d286bbd9705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2adac9e155f11597051e7e39146c15dcc1c7fe13dedcafc4c7f5d286bbd9705", kill_on_drop: false }`
[INFO] [stdout] e2adac9e155f11597051e7e39146c15dcc1c7fe13dedcafc4c7f5d286bbd9705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 212c6d0ae07bdd6d51e50c63baffbde239aa776826059b7ad5f106e72271ba36
[INFO] running `Command { std: "docker" "start" "-a" "212c6d0ae07bdd6d51e50c63baffbde239aa776826059b7ad5f106e72271ba36", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rust-dense-bitset v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling qht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/element.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/element.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> src/qqhtd.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rand::rngs::StdRng;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromEntropy` and `Rng`
[INFO] [stdout]  --> src/qqhtd.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use rand::{FromEntropy, Rng};
[INFO] [stdout]   |                ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqhtd.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqhtd.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "212c6d0ae07bdd6d51e50c63baffbde239aa776826059b7ad5f106e72271ba36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212c6d0ae07bdd6d51e50c63baffbde239aa776826059b7ad5f106e72271ba36", kill_on_drop: false }`
[INFO] [stdout] 212c6d0ae07bdd6d51e50c63baffbde239aa776826059b7ad5f106e72271ba36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c585ee93c96a8f49b03f5064f520c733c80dfc1f827f12467a480afc8c968fa8
[INFO] running `Command { std: "docker" "start" "-a" "c585ee93c96a8f49b03f5064f520c733c80dfc1f827f12467a480afc8c968fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/element.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/element.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> src/qqhtd.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rand::rngs::StdRng;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromEntropy` and `Rng`
[INFO] [stdout]  --> src/qqhtd.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use rand::{FromEntropy, Rng};
[INFO] [stdout]   |                ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqhtd.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqhtd.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling qht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/element.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/element.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqht.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqht.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> src/qqhtd.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rand::rngs::StdRng;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromEntropy` and `Rng`
[INFO] [stdout]  --> src/qqhtd.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use rand::{FromEntropy, Rng};
[INFO] [stdout]   |                ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/qqhtd.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/qqhtd.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c585ee93c96a8f49b03f5064f520c733c80dfc1f827f12467a480afc8c968fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c585ee93c96a8f49b03f5064f520c733c80dfc1f827f12467a480afc8c968fa8", kill_on_drop: false }`
[INFO] [stdout] c585ee93c96a8f49b03f5064f520c733c80dfc1f827f12467a480afc8c968fa8
