[INFO] fetching crate k12sum 0.1.4...
[INFO] building k12sum-0.1.4 against try#0c94de7c1a8f4b82b92d562847c35f513f520c7a for pr-102832-1
[INFO] extracting crate k12sum 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate k12sum 0.1.4 on toolchain 0c94de7c1a8f4b82b92d562847c35f513f520c7a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c94de7c1a8f4b82b92d562847c35f513f520c7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k12sum 0.1.4
[INFO] finished tweaking crates.io crate k12sum 0.1.4
[INFO] tweaked toml for crates.io crate k12sum 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate k12sum 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c94de7c1a8f4b82b92d562847c35f513f520c7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0c94de7c1a8f4b82b92d562847c35f513f520c7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0431bd113d721dc54907f72c98ef02f52baeecb896f77ecf4d2d95de85930789
[INFO] running `Command { std: "docker" "start" "-a" "0431bd113d721dc54907f72c98ef02f52baeecb896f77ecf4d2d95de85930789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0431bd113d721dc54907f72c98ef02f52baeecb896f77ecf4d2d95de85930789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0431bd113d721dc54907f72c98ef02f52baeecb896f77ecf4d2d95de85930789", kill_on_drop: false }`
[INFO] [stdout] 0431bd113d721dc54907f72c98ef02f52baeecb896f77ecf4d2d95de85930789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0c94de7c1a8f4b82b92d562847c35f513f520c7a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b3ee4e613d356bbe8c7fd2fc1d48fdf65ed6f25be7b931294b0a69794977eee
[INFO] running `Command { std: "docker" "start" "-a" "7b3ee4e613d356bbe8c7fd2fc1d48fdf65ed6f25be7b931294b0a69794977eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling kangarootwelve_xkcp v0.1.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling k12sum v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.78s
[INFO] running `Command { std: "docker" "inspect" "7b3ee4e613d356bbe8c7fd2fc1d48fdf65ed6f25be7b931294b0a69794977eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3ee4e613d356bbe8c7fd2fc1d48fdf65ed6f25be7b931294b0a69794977eee", kill_on_drop: false }`
[INFO] [stdout] 7b3ee4e613d356bbe8c7fd2fc1d48fdf65ed6f25be7b931294b0a69794977eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0c94de7c1a8f4b82b92d562847c35f513f520c7a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4cfd2b81b21f179bb5744e6491617df3fd04f8b09df25e43a5661bac51ad2d
[INFO] running `Command { std: "docker" "start" "-a" "2f4cfd2b81b21f179bb5744e6491617df3fd04f8b09df25e43a5661bac51ad2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling shared_child v0.3.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling duct v0.13.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling k12sum v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "2f4cfd2b81b21f179bb5744e6491617df3fd04f8b09df25e43a5661bac51ad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4cfd2b81b21f179bb5744e6491617df3fd04f8b09df25e43a5661bac51ad2d", kill_on_drop: false }`
[INFO] [stdout] 2f4cfd2b81b21f179bb5744e6491617df3fd04f8b09df25e43a5661bac51ad2d