[INFO] fetching crate irust 1.24.0...
[INFO] checking irust-1.24.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate irust 1.24.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate irust 1.24.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irust 1.24.0
[INFO] finished tweaking crates.io crate irust 1.24.0
[INFO] tweaked toml for crates.io crate irust 1.24.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate irust 1.24.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded irust_api v0.19.0
[INFO] [stderr]   Downloaded irust_repl v0.7.1
[INFO] [stderr]   Downloaded printer v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10f43bb5287ba5e4e52fafa035e8ccdaa9ac96b8ef8f2fbaab0fbf8b6d3a9d9
[INFO] running `Command { std: "docker" "start" "-a" "b10f43bb5287ba5e4e52fafa035e8ccdaa9ac96b8ef8f2fbaab0fbf8b6d3a9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10f43bb5287ba5e4e52fafa035e8ccdaa9ac96b8ef8f2fbaab0fbf8b6d3a9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10f43bb5287ba5e4e52fafa035e8ccdaa9ac96b8ef8f2fbaab0fbf8b6d3a9d9", kill_on_drop: false }`
[INFO] [stdout] b10f43bb5287ba5e4e52fafa035e8ccdaa9ac96b8ef8f2fbaab0fbf8b6d3a9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daacfb18bcfade20706042d273fd1f01eb286d63e9f85e96c9d31cddc00315d5
[INFO] running `Command { std: "docker" "start" "-a" "daacfb18bcfade20706042d273fd1f01eb286d63e9f85e96c9d31cddc00315d5", 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] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking irust_repl v0.7.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rscript v0.10.0
[INFO] [stderr]     Checking irust_api v0.19.0
[INFO] [stderr]     Checking printer v0.2.11
[INFO] [stderr]     Checking irust v1.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.30s
[INFO] running `Command { std: "docker" "inspect" "daacfb18bcfade20706042d273fd1f01eb286d63e9f85e96c9d31cddc00315d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daacfb18bcfade20706042d273fd1f01eb286d63e9f85e96c9d31cddc00315d5", kill_on_drop: false }`
[INFO] [stdout] daacfb18bcfade20706042d273fd1f01eb286d63e9f85e96c9d31cddc00315d5