[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 master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MidasLamb/HashCode2021 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.metaheuristics [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded metaheuristics v1.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 600c3201e655c8ae738f03c8949f55082a1a44d6decb0c00f0f4ac4566d77190 [INFO] running `Command { std: "docker" "start" "-a" "600c3201e655c8ae738f03c8949f55082a1a44d6decb0c00f0f4ac4566d77190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "600c3201e655c8ae738f03c8949f55082a1a44d6decb0c00f0f4ac4566d77190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "600c3201e655c8ae738f03c8949f55082a1a44d6decb0c00f0f4ac4566d77190", kill_on_drop: false }` [INFO] [stdout] 600c3201e655c8ae738f03c8949f55082a1a44d6decb0c00f0f4ac4566d77190 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd947ddfd4a38c65d829006ec4243b901b78d276b3f2054665f340176e10c4f2 [INFO] running `Command { std: "docker" "start" "-a" "fd947ddfd4a38c65d829006ec4243b901b78d276b3f2054665f340176e10c4f2", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.metaheuristics [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking metaheuristics v1.0.15 [INFO] [stderr] Compiling bzip2 v0.3.3 [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] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> build.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Seek` is already imported here [INFO] [stdout] 2 | use std::io::{Seek, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> build.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 2 | use std::io::{Seek, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> build.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `hash-code-2021 v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/hash-code-2021-b6ae2c1d812a6900/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" "fd947ddfd4a38c65d829006ec4243b901b78d276b3f2054665f340176e10c4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd947ddfd4a38c65d829006ec4243b901b78d276b3f2054665f340176e10c4f2", kill_on_drop: false }` [INFO] [stdout] fd947ddfd4a38c65d829006ec4243b901b78d276b3f2054665f340176e10c4f2 [INFO] checking MidasLamb/HashCode2021 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MidasLamb/HashCode2021 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.metaheuristics [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a7b6761fafa1469efd070445838ba16cb6222a0d9461ca93dba2bf749f061cd [INFO] running `Command { std: "docker" "start" "-a" "5a7b6761fafa1469efd070445838ba16cb6222a0d9461ca93dba2bf749f061cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a7b6761fafa1469efd070445838ba16cb6222a0d9461ca93dba2bf749f061cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a7b6761fafa1469efd070445838ba16cb6222a0d9461ca93dba2bf749f061cd", kill_on_drop: false }` [INFO] [stdout] 5a7b6761fafa1469efd070445838ba16cb6222a0d9461ca93dba2bf749f061cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17107cbfd36131c8156064f60d21f65aae4deaa33f88c1b2b730b35066931993 [INFO] running `Command { std: "docker" "start" "-a" "17107cbfd36131c8156064f60d21f65aae4deaa33f88c1b2b730b35066931993", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "17107cbfd36131c8156064f60d21f65aae4deaa33f88c1b2b730b35066931993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17107cbfd36131c8156064f60d21f65aae4deaa33f88c1b2b730b35066931993", kill_on_drop: false }` [INFO] [stdout] 17107cbfd36131c8156064f60d21f65aae4deaa33f88c1b2b730b35066931993