[INFO] cloning repository https://github.com/MidasLamb/HashCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MidasLamb/HashCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaf7ef755c8e931f3b7b6674cda4973775a92a3c
[INFO] checking MidasLamb/HashCode2021 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MidasLamb/HashCode2021 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MidasLamb/HashCode2021
[INFO] finished tweaking git repo https://github.com/MidasLamb/HashCode2021
[INFO] tweaked toml for git repo https://github.com/MidasLamb/HashCode2021 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/MidasLamb/HashCode2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.metaheuristics
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.10
[INFO] [stderr]   Downloaded metaheuristics v1.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8ec2aaf8466bc017a864c958ff4563cbafb34ff0a73045f1bd8d9b889c2f95
[INFO] running `Command { std: "docker" "start" "-a" "bc8ec2aaf8466bc017a864c958ff4563cbafb34ff0a73045f1bd8d9b889c2f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8ec2aaf8466bc017a864c958ff4563cbafb34ff0a73045f1bd8d9b889c2f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8ec2aaf8466bc017a864c958ff4563cbafb34ff0a73045f1bd8d9b889c2f95", kill_on_drop: false }`
[INFO] [stdout] bc8ec2aaf8466bc017a864c958ff4563cbafb34ff0a73045f1bd8d9b889c2f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c825fc2e405efb319f68eef02a2cec1fbaf30062c34e5d08bb307d285bb9116
[INFO] running `Command { std: "docker" "start" "-a" "7c825fc2e405efb319f68eef02a2cec1fbaf30062c34e5d08bb307d285bb9116", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.metaheuristics
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]     Checking metaheuristics v1.0.15
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.10
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling hash-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `hash-code-2021 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hash-code-2021-32b536ff8a3be9f2/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "7c825fc2e405efb319f68eef02a2cec1fbaf30062c34e5d08bb307d285bb9116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c825fc2e405efb319f68eef02a2cec1fbaf30062c34e5d08bb307d285bb9116", kill_on_drop: false }`
[INFO] [stdout] 7c825fc2e405efb319f68eef02a2cec1fbaf30062c34e5d08bb307d285bb9116