[INFO] fetching crate byte 0.2.7...
[INFO] checking byte-0.2.7 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate byte 0.2.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate byte 0.2.7 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b552a6894464941e232db04fa92343eb26225f9c19dcf6720620376f299adfb7
[INFO] running `Command { std: "docker" "start" "-a" "b552a6894464941e232db04fa92343eb26225f9c19dcf6720620376f299adfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b552a6894464941e232db04fa92343eb26225f9c19dcf6720620376f299adfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b552a6894464941e232db04fa92343eb26225f9c19dcf6720620376f299adfb7", kill_on_drop: false }`
[INFO] [stdout] b552a6894464941e232db04fa92343eb26225f9c19dcf6720620376f299adfb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f0aa8c4c7a051fdfd56399ab0555284ed70416a3508b08df9fd04eb41df9b9
[INFO] running `Command { std: "docker" "start" "-a" "89f0aa8c4c7a051fdfd56399ab0555284ed70416a3508b08df9fd04eb41df9b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking byte v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[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 3.08s
[INFO] running `Command { std: "docker" "inspect" "89f0aa8c4c7a051fdfd56399ab0555284ed70416a3508b08df9fd04eb41df9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f0aa8c4c7a051fdfd56399ab0555284ed70416a3508b08df9fd04eb41df9b9", kill_on_drop: false }`
[INFO] [stdout] 89f0aa8c4c7a051fdfd56399ab0555284ed70416a3508b08df9fd04eb41df9b9