[INFO] cloning repository https://github.com/lowczarc/computerv1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowczarc/computerv1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowczarc%2Fcomputerv1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowczarc%2Fcomputerv1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 310a15f81e92568434da9c072c748de0a64497b9
[INFO] checking lowczarc/computerv1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowczarc%2Fcomputerv1" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowczarc/computerv1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lowczarc/computerv1
[INFO] finished tweaking git repo https://github.com/lowczarc/computerv1
[INFO] tweaked toml for git repo https://github.com/lowczarc/computerv1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/lowczarc/computerv1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 693eea591afcf7753a92f1fcc2f7fac2d8aade639b2a5e8c89acd35f14f07eba
[INFO] running `Command { std: "docker" "start" "-a" "693eea591afcf7753a92f1fcc2f7fac2d8aade639b2a5e8c89acd35f14f07eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "693eea591afcf7753a92f1fcc2f7fac2d8aade639b2a5e8c89acd35f14f07eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693eea591afcf7753a92f1fcc2f7fac2d8aade639b2a5e8c89acd35f14f07eba", kill_on_drop: false }`
[INFO] [stdout] 693eea591afcf7753a92f1fcc2f7fac2d8aade639b2a5e8c89acd35f14f07eba
[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" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c422a7d6dbec2c64fff50aa27ff13cbe4605f6b49ac182a3632c52ceeb49edb
[INFO] running `Command { std: "docker" "start" "-a" "3c422a7d6dbec2c64fff50aa27ff13cbe4605f6b49ac182a3632c52ceeb49edb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking computerv1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `BadDegree`
[INFO] [stdout]  --> src/polynomes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BadDegree,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadDegree`
[INFO] [stdout]  --> src/polynomes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BadDegree,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "3c422a7d6dbec2c64fff50aa27ff13cbe4605f6b49ac182a3632c52ceeb49edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c422a7d6dbec2c64fff50aa27ff13cbe4605f6b49ac182a3632c52ceeb49edb", kill_on_drop: false }`
[INFO] [stdout] 3c422a7d6dbec2c64fff50aa27ff13cbe4605f6b49ac182a3632c52ceeb49edb