[INFO] cloning repository https://github.com/mahilday/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahilday/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahilday%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahilday%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d115f41ccc7f90dc39ae1ca9f404ad65256bee4
[INFO] checking mahilday/rust-calculator against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahilday%2Frust-calculator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mahilday/rust-calculator
[INFO] finished tweaking git repo https://github.com/mahilday/rust-calculator
[INFO] tweaked toml for git repo https://github.com/mahilday/rust-calculator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mahilday/rust-calculator on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mahilday/rust-calculator 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v1.0.1
[INFO] [stderr]       Adding getrandom v0.2.16
[INFO] [stderr]       Adding libc v0.2.175
[INFO] [stderr]       Adding ppv-lite86 v0.2.21
[INFO] [stderr]       Adding proc-macro2 v1.0.97
[INFO] [stderr]       Adding quote v1.0.40
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.3.1
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding syn v2.0.105
[INFO] [stderr]       Adding unicode-ident v1.0.18
[INFO] [stderr]       Adding wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]       Adding zerocopy v0.8.26
[INFO] [stderr]       Adding zerocopy-derive v0.8.26
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28389c15a02d725826705ccebc60d764b6f1fad6af6347ce3dbd153ddc2345c
[INFO] running `Command { std: "docker" "start" "-a" "f28389c15a02d725826705ccebc60d764b6f1fad6af6347ce3dbd153ddc2345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28389c15a02d725826705ccebc60d764b6f1fad6af6347ce3dbd153ddc2345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28389c15a02d725826705ccebc60d764b6f1fad6af6347ce3dbd153ddc2345c", kill_on_drop: false }`
[INFO] [stdout] f28389c15a02d725826705ccebc60d764b6f1fad6af6347ce3dbd153ddc2345c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c4201609af7aafd53128c42d592722ab058321a431b156a992ce9eadf2a0b6
[INFO] running `Command { std: "docker" "start" "-a" "a1c4201609af7aafd53128c42d592722ab058321a431b156a992ce9eadf2a0b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking start1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "a1c4201609af7aafd53128c42d592722ab058321a431b156a992ce9eadf2a0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c4201609af7aafd53128c42d592722ab058321a431b156a992ce9eadf2a0b6", kill_on_drop: false }`
[INFO] [stdout] a1c4201609af7aafd53128c42d592722ab058321a431b156a992ce9eadf2a0b6