[INFO] fetching crate byte 0.2.7...
[INFO] checking byte-0.2.7 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate byte 0.2.7 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate byte 0.2.7
[INFO] finished tweaking crates.io crate byte 0.2.7
[INFO] tweaked toml for crates.io crate byte 0.2.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate byte 0.2.7 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.3.2 (available: v1.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68cf28186ab3dbf576aabe2949da88c3c80b5afd47a543a21d2755d22cf98fd3
[INFO] running `Command { std: "docker" "start" "-a" "68cf28186ab3dbf576aabe2949da88c3c80b5afd47a543a21d2755d22cf98fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68cf28186ab3dbf576aabe2949da88c3c80b5afd47a543a21d2755d22cf98fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cf28186ab3dbf576aabe2949da88c3c80b5afd47a543a21d2755d22cf98fd3", kill_on_drop: false }`
[INFO] [stdout] 68cf28186ab3dbf576aabe2949da88c3c80b5afd47a543a21d2755d22cf98fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ff440a81300d35e3c5ba1a288605457177367b6c41f07d2d47df73e6fce6c0
[INFO] running `Command { std: "docker" "start" "-a" "f6ff440a81300d35e3c5ba1a288605457177367b6c41f07d2d47df73e6fce6c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking byte v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.3.2
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> tests/lib.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn try_read(bytes: &'a [u8], _ctx: ()) -> Result<(Self, usize)> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> tests/lib.rs:341:24
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn try_write(self, bytes: &mut [u8], _ctx: ()) -> Result<usize> {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "f6ff440a81300d35e3c5ba1a288605457177367b6c41f07d2d47df73e6fce6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ff440a81300d35e3c5ba1a288605457177367b6c41f07d2d47df73e6fce6c0", kill_on_drop: false }`
[INFO] [stdout] f6ff440a81300d35e3c5ba1a288605457177367b6c41f07d2d47df73e6fce6c0
