[INFO] cloning repository https://github.com/jj-marinho/sierpinski-rustpy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jj-marinho/sierpinski-rustpy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjj-marinho%2Fsierpinski-rustpy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjj-marinho%2Fsierpinski-rustpy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 263a26f901b81f703cf7991306343a17e2d6e436
[INFO] checking jj-marinho/sierpinski-rustpy against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjj-marinho%2Fsierpinski-rustpy" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jj-marinho/sierpinski-rustpy on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jj-marinho/sierpinski-rustpy
[INFO] finished tweaking git repo https://github.com/jj-marinho/sierpinski-rustpy
[INFO] tweaked toml for git repo https://github.com/jj-marinho/sierpinski-rustpy written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/jj-marinho/sierpinski-rustpy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2a664c0f6b9ffa578824704e24d9ac3c4f1c1bedb13b6761fa7f6ab88e28962
[INFO] running `Command { std: "docker" "start" "-a" "a2a664c0f6b9ffa578824704e24d9ac3c4f1c1bedb13b6761fa7f6ab88e28962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a664c0f6b9ffa578824704e24d9ac3c4f1c1bedb13b6761fa7f6ab88e28962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a664c0f6b9ffa578824704e24d9ac3c4f1c1bedb13b6761fa7f6ab88e28962", kill_on_drop: false }`
[INFO] [stdout] a2a664c0f6b9ffa578824704e24d9ac3c4f1c1bedb13b6761fa7f6ab88e28962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec872816dc1f41ef2f8d0153ecbe21059dba5c073b2acef9ad10a7e14a6ffdf8
[INFO] running `Command { std: "docker" "start" "-a" "ec872816dc1f41ef2f8d0153ecbe21059dba5c073b2acef9ad10a7e14a6ffdf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sierpinski v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.64s
[INFO] running `Command { std: "docker" "inspect" "ec872816dc1f41ef2f8d0153ecbe21059dba5c073b2acef9ad10a7e14a6ffdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec872816dc1f41ef2f8d0153ecbe21059dba5c073b2acef9ad10a7e14a6ffdf8", kill_on_drop: false }`
[INFO] [stdout] ec872816dc1f41ef2f8d0153ecbe21059dba5c073b2acef9ad10a7e14a6ffdf8