[INFO] fetching crate hmac-sha1 0.1.3...
[INFO] checking hmac-sha1-0.1.3 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate hmac-sha1 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hmac-sha1 0.1.3 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hmac-sha1 0.1.3
[INFO] finished tweaking crates.io crate hmac-sha1 0.1.3
[INFO] tweaked toml for crates.io crate hmac-sha1 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a56c0bcb2d010b7760e8cd8b369d25d48da9e8b3dff138cf1f73f5d0952ae3c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a56c0bcb2d010b7760e8cd8b369d25d48da9e8b3dff138cf1f73f5d0952ae3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a56c0bcb2d010b7760e8cd8b369d25d48da9e8b3dff138cf1f73f5d0952ae3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56c0bcb2d010b7760e8cd8b369d25d48da9e8b3dff138cf1f73f5d0952ae3c7", kill_on_drop: false }`
[INFO] [stdout] a56c0bcb2d010b7760e8cd8b369d25d48da9e8b3dff138cf1f73f5d0952ae3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc760fd710bb8303d4f700cfe8c88b4b67b7d7d51b92cd8ba131d7e0fad9818
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fc760fd710bb8303d4f700cfe8c88b4b67b7d7d51b92cd8ba131d7e0fad9818", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking hmac-sha1 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     if { key.len() > SHA1_KEY_BYTES } {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     if { key.len() > SHA1_KEY_BYTES } {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "3fc760fd710bb8303d4f700cfe8c88b4b67b7d7d51b92cd8ba131d7e0fad9818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc760fd710bb8303d4f700cfe8c88b4b67b7d7d51b92cd8ba131d7e0fad9818", kill_on_drop: false }`
[INFO] [stdout] 3fc760fd710bb8303d4f700cfe8c88b4b67b7d7d51b92cd8ba131d7e0fad9818