[INFO] cloning repository https://github.com/garypen/rtee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garypen/rtee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddb0a32dec758f80bd05557004a4b5092ee02447
[INFO] checking garypen/rtee against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Frtee" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garypen/rtee on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garypen/rtee
[INFO] finished tweaking git repo https://github.com/garypen/rtee
[INFO] tweaked toml for git repo https://github.com/garypen/rtee written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/garypen/rtee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 631a475c35addbb964bb80814b4d9e1a2df4cbec4ee590febddaade0276459a0
[INFO] running `Command { std: "docker" "start" "-a" "631a475c35addbb964bb80814b4d9e1a2df4cbec4ee590febddaade0276459a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631a475c35addbb964bb80814b4d9e1a2df4cbec4ee590febddaade0276459a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631a475c35addbb964bb80814b4d9e1a2df4cbec4ee590febddaade0276459a0", kill_on_drop: false }`
[INFO] [stdout] 631a475c35addbb964bb80814b4d9e1a2df4cbec4ee590febddaade0276459a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d8eeb6a990adfc01672838c8c5622889b0e32ec1f8afc7e384ff93ccb6653a
[INFO] running `Command { std: "docker" "start" "-a" "a7d8eeb6a990adfc01672838c8c5622889b0e32ec1f8afc7e384ff93ccb6653a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rtee v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:60
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     .expect("Failed to flush output line");;
[INFO] [stdout]    |                                                            ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:60
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     .expect("Failed to flush output line");;
[INFO] [stdout]    |                                                            ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.96s
[INFO] running `Command { std: "docker" "inspect" "a7d8eeb6a990adfc01672838c8c5622889b0e32ec1f8afc7e384ff93ccb6653a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d8eeb6a990adfc01672838c8c5622889b0e32ec1f8afc7e384ff93ccb6653a", kill_on_drop: false }`
[INFO] [stdout] a7d8eeb6a990adfc01672838c8c5622889b0e32ec1f8afc7e384ff93ccb6653a