[INFO] fetching crate xxtea 0.2.0...
[INFO] checking xxtea-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate xxtea 0.2.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate xxtea 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xxtea 0.2.0
[INFO] finished tweaking crates.io crate xxtea 0.2.0
[INFO] tweaked toml for crates.io crate xxtea 0.2.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ccaba050b3e3d13ccfd031890cdc9595016170557d3dc9019382940628ed2be
[INFO] running `Command { std: "docker" "start" "-a" "5ccaba050b3e3d13ccfd031890cdc9595016170557d3dc9019382940628ed2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ccaba050b3e3d13ccfd031890cdc9595016170557d3dc9019382940628ed2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccaba050b3e3d13ccfd031890cdc9595016170557d3dc9019382940628ed2be", kill_on_drop: false }`
[INFO] [stdout] 5ccaba050b3e3d13ccfd031890cdc9595016170557d3dc9019382940628ed2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40d706cd8667cf7dd1aa1eb3dee2b0d4c77dacd8b1698d8dd7b8341aa5d98f2
[INFO] running `Command { std: "docker" "start" "-a" "a40d706cd8667cf7dd1aa1eb3dee2b0d4c77dacd8b1698d8dd7b8341aa5d98f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking xxtea v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                                      ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout] 68 +             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, p as u32, e, &key));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout] 93 +                 v[p] = v[p].wrapping_sub(mx(sum, y, z, p as u32, e, &key));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                                      ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout] 68 +             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, p as u32, e, &key));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout] 93 +                 v[p] = v[p].wrapping_sub(mx(sum, y, z, p as u32, e, &key));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "a40d706cd8667cf7dd1aa1eb3dee2b0d4c77dacd8b1698d8dd7b8341aa5d98f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40d706cd8667cf7dd1aa1eb3dee2b0d4c77dacd8b1698d8dd7b8341aa5d98f2", kill_on_drop: false }`
[INFO] [stdout] a40d706cd8667cf7dd1aa1eb3dee2b0d4c77dacd8b1698d8dd7b8341aa5d98f2