[INFO] fetching crate hmac-sha1 0.1.3...
[INFO] checking hmac-sha1-0.1.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate hmac-sha1 0.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate hmac-sha1 0.1.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba7393d9ef068bbd4d1ce22dfa2ab9d1552d05b9043e4fe107055ebc9630760
[INFO] running `Command { std: "docker" "start" "-a" "cba7393d9ef068bbd4d1ce22dfa2ab9d1552d05b9043e4fe107055ebc9630760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba7393d9ef068bbd4d1ce22dfa2ab9d1552d05b9043e4fe107055ebc9630760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba7393d9ef068bbd4d1ce22dfa2ab9d1552d05b9043e4fe107055ebc9630760", kill_on_drop: false }`
[INFO] [stdout] cba7393d9ef068bbd4d1ce22dfa2ab9d1552d05b9043e4fe107055ebc9630760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd5b730516a58c444c4d80ba1d8e9e9974cdc26cc5dd52b807a966489ed93acd
[INFO] running `Command { std: "docker" "start" "-a" "cd5b730516a58c444c4d80ba1d8e9e9974cdc26cc5dd52b807a966489ed93acd", kill_on_drop: false }`
[INFO] [stderr]     Checking sha1 v0.2.0
[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 2.33s
[INFO] running `Command { std: "docker" "inspect" "cd5b730516a58c444c4d80ba1d8e9e9974cdc26cc5dd52b807a966489ed93acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5b730516a58c444c4d80ba1d8e9e9974cdc26cc5dd52b807a966489ed93acd", kill_on_drop: false }`
[INFO] [stdout] cd5b730516a58c444c4d80ba1d8e9e9974cdc26cc5dd52b807a966489ed93acd