[INFO] cloning repository https://github.com/luser/mmap-stdin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/mmap-stdin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fmmap-stdin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fmmap-stdin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2649d802098e279c1a169c41b3615594fa09c656
[INFO] testing luser/mmap-stdin against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fmmap-stdin" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/mmap-stdin on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luser/mmap-stdin
[INFO] finished tweaking git repo https://github.com/luser/mmap-stdin
[INFO] tweaked toml for git repo https://github.com/luser/mmap-stdin written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/mmap-stdin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8f91cc29ec1ccede364ec71351cb4ffe56d63b2a50f1a14f7ee897636e5262
[INFO] running `Command { std: "docker" "start" "-a" "dd8f91cc29ec1ccede364ec71351cb4ffe56d63b2a50f1a14f7ee897636e5262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8f91cc29ec1ccede364ec71351cb4ffe56d63b2a50f1a14f7ee897636e5262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8f91cc29ec1ccede364ec71351cb4ffe56d63b2a50f1a14f7ee897636e5262", kill_on_drop: false }`
[INFO] [stdout] dd8f91cc29ec1ccede364ec71351cb4ffe56d63b2a50f1a14f7ee897636e5262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27f849bd5b255762140f384e73470204129b0b34763cd60707516ad5d48b2906
[INFO] running `Command { std: "docker" "start" "-a" "27f849bd5b255762140f384e73470204129b0b34763cd60707516ad5d48b2906", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling mmap-stdin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "27f849bd5b255762140f384e73470204129b0b34763cd60707516ad5d48b2906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f849bd5b255762140f384e73470204129b0b34763cd60707516ad5d48b2906", kill_on_drop: false }`
[INFO] [stdout] 27f849bd5b255762140f384e73470204129b0b34763cd60707516ad5d48b2906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adaab586c0757870e674216fec1b43bcc61406205e5c0d89ba5eb17cf2a5163
[INFO] running `Command { std: "docker" "start" "-a" "9adaab586c0757870e674216fec1b43bcc61406205e5c0d89ba5eb17cf2a5163", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmap-stdin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "9adaab586c0757870e674216fec1b43bcc61406205e5c0d89ba5eb17cf2a5163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adaab586c0757870e674216fec1b43bcc61406205e5c0d89ba5eb17cf2a5163", kill_on_drop: false }`
[INFO] [stdout] 9adaab586c0757870e674216fec1b43bcc61406205e5c0d89ba5eb17cf2a5163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6180708c0c92c98c5d2a17917df57ffaf2db7daa4a66d8c016f8b847c7b7ffe8
[INFO] running `Command { std: "docker" "start" "-a" "6180708c0c92c98c5d2a17917df57ffaf2db7daa4a66d8c016f8b847c7b7ffe8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmap_stdin-90c89fefac63b865)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6180708c0c92c98c5d2a17917df57ffaf2db7daa4a66d8c016f8b847c7b7ffe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6180708c0c92c98c5d2a17917df57ffaf2db7daa4a66d8c016f8b847c7b7ffe8", kill_on_drop: false }`
[INFO] [stdout] 6180708c0c92c98c5d2a17917df57ffaf2db7daa4a66d8c016f8b847c7b7ffe8