[INFO] cloning repository https://github.com/arnavb/bef93
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnavb/bef93" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Fbef93", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Fbef93'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a065592663e041f6ede4354a7b5bbe2e5678721
[INFO] checking arnavb/bef93 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnavb%2Fbef93" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arnavb/bef93 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] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/arnavb/bef93
[INFO] finished tweaking git repo https://github.com/arnavb/bef93
[INFO] tweaked toml for git repo https://github.com/arnavb/bef93 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/arnavb/bef93 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 05840d63b01ab48f57c018f62045f9804eb4167264145b7caa04ab1e75eecc6c
[INFO] running `Command { std: "docker" "start" "-a" "05840d63b01ab48f57c018f62045f9804eb4167264145b7caa04ab1e75eecc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05840d63b01ab48f57c018f62045f9804eb4167264145b7caa04ab1e75eecc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05840d63b01ab48f57c018f62045f9804eb4167264145b7caa04ab1e75eecc6c", kill_on_drop: false }`
[INFO] [stdout] 05840d63b01ab48f57c018f62045f9804eb4167264145b7caa04ab1e75eecc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 074eb1167dedaee2799938ea1ecb82741651202ae972403b47d71fee70dea42e
[INFO] running `Command { std: "docker" "start" "-a" "074eb1167dedaee2799938ea1ecb82741651202ae972403b47d71fee70dea42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bef93 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "074eb1167dedaee2799938ea1ecb82741651202ae972403b47d71fee70dea42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074eb1167dedaee2799938ea1ecb82741651202ae972403b47d71fee70dea42e", kill_on_drop: false }`
[INFO] [stdout] 074eb1167dedaee2799938ea1ecb82741651202ae972403b47d71fee70dea42e