[INFO] cloning repository https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/chaffin-variation-rust-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ffbb2570431f1e1567cd3a5539f9bd5f7ea028e
[INFO] checking tuzz/chaffin-variation-rust-v2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fchaffin-variation-rust-v2" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/chaffin-variation-rust-v2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] finished tweaking git repo https://github.com/tuzz/chaffin-variation-rust-v2
[INFO] tweaked toml for git repo https://github.com/tuzz/chaffin-variation-rust-v2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/chaffin-variation-rust-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcf988b2f00f48bc316be828f48a41195325bcb69828069ad63de0f803050bde
[INFO] running `Command { std: "docker" "start" "-a" "fcf988b2f00f48bc316be828f48a41195325bcb69828069ad63de0f803050bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf988b2f00f48bc316be828f48a41195325bcb69828069ad63de0f803050bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf988b2f00f48bc316be828f48a41195325bcb69828069ad63de0f803050bde", kill_on_drop: false }`
[INFO] [stdout] fcf988b2f00f48bc316be828f48a41195325bcb69828069ad63de0f803050bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63322ddcb0d3d3b622592cce36b88b0e42f16affb89eb2757eeb62b58fda072e
[INFO] running `Command { std: "docker" "start" "-a" "63322ddcb0d3d3b622592cce36b88b0e42f16affb89eb2757eeb62b58fda072e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling lehmer v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chaffin-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "63322ddcb0d3d3b622592cce36b88b0e42f16affb89eb2757eeb62b58fda072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63322ddcb0d3d3b622592cce36b88b0e42f16affb89eb2757eeb62b58fda072e", kill_on_drop: false }`
[INFO] [stdout] 63322ddcb0d3d3b622592cce36b88b0e42f16affb89eb2757eeb62b58fda072e