[INFO] cloning repository https://github.com/BartMassey/fasthello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BartMassey/fasthello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Ffasthello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Ffasthello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c32bbec8a06ba8c43aa156870a8da61b8461235
[INFO] checking BartMassey/fasthello against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Ffasthello" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BartMassey/fasthello on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BartMassey/fasthello
[INFO] finished tweaking git repo https://github.com/BartMassey/fasthello
[INFO] tweaked toml for git repo https://github.com/BartMassey/fasthello written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BartMassey/fasthello 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9d0550ead064ca28b2edc20a8b28bd2f45189276d6357bd06963ea2cccd9e3
[INFO] running `Command { std: "docker" "start" "-a" "dc9d0550ead064ca28b2edc20a8b28bd2f45189276d6357bd06963ea2cccd9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9d0550ead064ca28b2edc20a8b28bd2f45189276d6357bd06963ea2cccd9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9d0550ead064ca28b2edc20a8b28bd2f45189276d6357bd06963ea2cccd9e3", kill_on_drop: false }`
[INFO] [stdout] dc9d0550ead064ca28b2edc20a8b28bd2f45189276d6357bd06963ea2cccd9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9175e48f4c35bdaa76d0f6ad73111f36080aa972f82f90db52bc57251af31a4
[INFO] running `Command { std: "docker" "start" "-a" "a9175e48f4c35bdaa76d0f6ad73111f36080aa972f82f90db52bc57251af31a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fasthello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `dumbest.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fasthello` (bin "dumbest") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a9175e48f4c35bdaa76d0f6ad73111f36080aa972f82f90db52bc57251af31a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9175e48f4c35bdaa76d0f6ad73111f36080aa972f82f90db52bc57251af31a4", kill_on_drop: false }`
[INFO] [stdout] a9175e48f4c35bdaa76d0f6ad73111f36080aa972f82f90db52bc57251af31a4
