[INFO] cloning repository https://github.com/njskalski/bug-report-1
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffdf621b27c1efc3b45dce072641f8686ccdc65f
[INFO] checking njskalski/bug-report-1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njskalski/bug-report-1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae6005d7689b5a6f768084c44a8def56d3037bfd9538bb1d47ac2808760c0160
[INFO] running `Command { std: "docker" "start" "-a" "ae6005d7689b5a6f768084c44a8def56d3037bfd9538bb1d47ac2808760c0160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae6005d7689b5a6f768084c44a8def56d3037bfd9538bb1d47ac2808760c0160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6005d7689b5a6f768084c44a8def56d3037bfd9538bb1d47ac2808760c0160", kill_on_drop: false }`
[INFO] [stdout] ae6005d7689b5a6f768084c44a8def56d3037bfd9538bb1d47ac2808760c0160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87830ac6479b0a2f6ae9e84e59663cb1ba9262d49e0ed94e3493068afbd89cc
[INFO] running `Command { std: "docker" "start" "-a" "e87830ac6479b0a2f6ae9e84e59663cb1ba9262d49e0ed94e3493068afbd89cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking reexport-proc-macro v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking serde v1.0.54
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]    Compiling ncurses v5.91.0
[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 toml v0.4.6
[INFO] [stderr]     Checking enum-map v0.2.29
[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 13.98s
[INFO] running `Command { std: "docker" "inspect" "e87830ac6479b0a2f6ae9e84e59663cb1ba9262d49e0ed94e3493068afbd89cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87830ac6479b0a2f6ae9e84e59663cb1ba9262d49e0ed94e3493068afbd89cc", kill_on_drop: false }`
[INFO] [stdout] e87830ac6479b0a2f6ae9e84e59663cb1ba9262d49e0ed94e3493068afbd89cc