[INFO] cloning repository https://github.com/gb10udn/program_length
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gb10udn/program_length" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgb10udn%2Fprogram_length", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgb10udn%2Fprogram_length'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 536f3cf02aceb4b7c08478a728623465932a537e
[INFO] checking gb10udn/program_length against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgb10udn%2Fprogram_length" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gb10udn/program_length
[INFO] finished tweaking git repo https://github.com/gb10udn/program_length
[INFO] tweaked toml for git repo https://github.com/gb10udn/program_length written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gb10udn/program_length on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gb10udn/program_length 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13e0cfb641dd15099483f80d56d47ee718adb6e62cadd2347a166252d41835c9
[INFO] running `Command { std: "docker" "start" "-a" "13e0cfb641dd15099483f80d56d47ee718adb6e62cadd2347a166252d41835c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e0cfb641dd15099483f80d56d47ee718adb6e62cadd2347a166252d41835c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e0cfb641dd15099483f80d56d47ee718adb6e62cadd2347a166252d41835c9", kill_on_drop: false }`
[INFO] [stdout] 13e0cfb641dd15099483f80d56d47ee718adb6e62cadd2347a166252d41835c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa90d6c6bc251b123425fa036962df3979935c710668883086f04c1ac60d3dfa
[INFO] running `Command { std: "docker" "start" "-a" "aa90d6c6bc251b123425fa036962df3979935c710668883086f04c1ac60d3dfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking papergrid v0.11.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling tabled_derive v0.7.0
[INFO] [stderr]     Checking tabled v0.15.0
[INFO] [stderr]     Checking prl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "aa90d6c6bc251b123425fa036962df3979935c710668883086f04c1ac60d3dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa90d6c6bc251b123425fa036962df3979935c710668883086f04c1ac60d3dfa", kill_on_drop: false }`
[INFO] [stdout] aa90d6c6bc251b123425fa036962df3979935c710668883086f04c1ac60d3dfa