[INFO] cloning repository https://github.com/njskalski/bug-report-1
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njskalski/bug-report-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffdf621b27c1efc3b45dce072641f8686ccdc65f
[INFO] checking njskalski/bug-report-1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njskalski/bug-report-1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/njskalski/bug-report-1
[INFO] finished tweaking git repo https://github.com/njskalski/bug-report-1
[INFO] tweaked toml for git repo https://github.com/njskalski/bug-report-1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/njskalski/bug-report-1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7223742c16d0e0a18317be8c90bf059bf1028fe254565a239edcc725f8150e7
[INFO] running `"docker" "start" "-a" "b7223742c16d0e0a18317be8c90bf059bf1028fe254565a239edcc725f8150e7"`
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking serde v1.0.54
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.2
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking stderrlog v0.4.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.2.5
[INFO] [stderr]     Checking enum-map v0.2.29
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]     Checking bug1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.92s
[INFO] running `"docker" "inspect" "b7223742c16d0e0a18317be8c90bf059bf1028fe254565a239edcc725f8150e7"`
[INFO] running `"docker" "rm" "-f" "b7223742c16d0e0a18317be8c90bf059bf1028fe254565a239edcc725f8150e7"`
[INFO] [stdout] b7223742c16d0e0a18317be8c90bf059bf1028fe254565a239edcc725f8150e7