[INFO] fetching crate crypto_api_blake2 0.2.0...
[INFO] checking crypto_api_blake2-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate crypto_api_blake2 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate crypto_api_blake2 0.2.0
[INFO] finished tweaking crates.io crate crypto_api_blake2 0.2.0
[INFO] tweaked toml for crates.io crate crypto_api_blake2 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crypto_api_blake2 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27b23a4618d1f29070f64b2c44e9e96982d25c29f15a5d92cd0b1f6ff2167e94
[INFO] running `Command { std: "docker" "start" "-a" "27b23a4618d1f29070f64b2c44e9e96982d25c29f15a5d92cd0b1f6ff2167e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b23a4618d1f29070f64b2c44e9e96982d25c29f15a5d92cd0b1f6ff2167e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b23a4618d1f29070f64b2c44e9e96982d25c29f15a5d92cd0b1f6ff2167e94", kill_on_drop: false }`
[INFO] [stdout] 27b23a4618d1f29070f64b2c44e9e96982d25c29f15a5d92cd0b1f6ff2167e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd2df36aa24425b9dddf44317e74f300f44312bc50bd895d79765e919bfd478
[INFO] running `Command { std: "docker" "start" "-a" "4bd2df36aa24425b9dddf44317e74f300f44312bc50bd895d79765e919bfd478", kill_on_drop: false }`
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking crypto_api_blake2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]  --> tests/blake2b_kdf.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestVector {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestVector` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]  --> tests/blake2b_mac.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestVector {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestVector` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "4bd2df36aa24425b9dddf44317e74f300f44312bc50bd895d79765e919bfd478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd2df36aa24425b9dddf44317e74f300f44312bc50bd895d79765e919bfd478", kill_on_drop: false }`
[INFO] [stdout] 4bd2df36aa24425b9dddf44317e74f300f44312bc50bd895d79765e919bfd478