[INFO] fetching crate lz4_flex-util 0.1.0...
[INFO] testing lz4_flex-util-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate lz4_flex-util 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lz4_flex-util 0.1.0
[INFO] finished tweaking crates.io crate lz4_flex-util 0.1.0
[INFO] tweaked toml for crates.io crate lz4_flex-util 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lz4_flex-util 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lz4_flex-util 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz4_flex v0.8.2
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded twox-hash v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3ccd2c60ccfad5925c776d6a3c4c2527f59efc8c4d827e94582e57bd753aaf
[INFO] running `Command { std: "docker" "start" "-a" "0a3ccd2c60ccfad5925c776d6a3c4c2527f59efc8c4d827e94582e57bd753aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3ccd2c60ccfad5925c776d6a3c4c2527f59efc8c4d827e94582e57bd753aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3ccd2c60ccfad5925c776d6a3c4c2527f59efc8c4d827e94582e57bd753aaf", kill_on_drop: false }`
[INFO] [stdout] 0a3ccd2c60ccfad5925c776d6a3c4c2527f59efc8c4d827e94582e57bd753aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 641f5894db9693446b3c9dad8030d6e22c050b271cb9a88670b2914d8ad03bd7
[INFO] running `Command { std: "docker" "start" "-a" "641f5894db9693446b3c9dad8030d6e22c050b271cb9a88670b2914d8ad03bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling twox-hash v1.6.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lz4_flex v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling lz4_flex-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `StdoutLock` that must be used
[INFO] [stdout]    --> src/main.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if unused stdout will immediately unlock
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 let _ = m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "641f5894db9693446b3c9dad8030d6e22c050b271cb9a88670b2914d8ad03bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641f5894db9693446b3c9dad8030d6e22c050b271cb9a88670b2914d8ad03bd7", kill_on_drop: false }`
[INFO] [stdout] 641f5894db9693446b3c9dad8030d6e22c050b271cb9a88670b2914d8ad03bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a95090e76986ab4f4f877aef7f23375b5b1752d5c08310b9e24042ed41a1ffb
[INFO] running `Command { std: "docker" "start" "-a" "6a95090e76986ab4f4f877aef7f23375b5b1752d5c08310b9e24042ed41a1ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lz4_flex-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `StdoutLock` that must be used
[INFO] [stdout]    --> src/main.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if unused stdout will immediately unlock
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 let _ = m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6a95090e76986ab4f4f877aef7f23375b5b1752d5c08310b9e24042ed41a1ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a95090e76986ab4f4f877aef7f23375b5b1752d5c08310b9e24042ed41a1ffb", kill_on_drop: false }`
[INFO] [stdout] 6a95090e76986ab4f4f877aef7f23375b5b1752d5c08310b9e24042ed41a1ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9eb879b1621c8b3c0f70ac601fc6447d4cefbc6e06effc58714d7cec5454321
[INFO] running `Command { std: "docker" "start" "-a" "d9eb879b1621c8b3c0f70ac601fc6447d4cefbc6e06effc58714d7cec5454321", kill_on_drop: false }`
[INFO] [stderr] warning: unused `StdoutLock` that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:120:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 120 |                 m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: if unused stdout will immediately unlock
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 let _ = m.finish().expect("failed to finish encoding lz4 stream");
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lz4_flex-util` (bin "lz4" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lz4-fce1aa479dc7a221)
[INFO] running `Command { std: "docker" "inspect" "d9eb879b1621c8b3c0f70ac601fc6447d4cefbc6e06effc58714d7cec5454321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eb879b1621c8b3c0f70ac601fc6447d4cefbc6e06effc58714d7cec5454321", kill_on_drop: false }`
[INFO] [stdout] d9eb879b1621c8b3c0f70ac601fc6447d4cefbc6e06effc58714d7cec5454321