[INFO] cloning repository https://github.com/hmcalister/RustCalculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hmcalister/RustCalculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmcalister%2FRustCalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmcalister%2FRustCalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8b22c19f199cf123fdfe3a8f471523d0171bdec
[INFO] checking hmcalister/RustCalculator against master#4457658f68b5c165cd76d24b8147a8f77b9f660e for pr-107620-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmcalister%2FRustCalculator" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hmcalister/RustCalculator on toolchain 4457658f68b5c165cd76d24b8147a8f77b9f660e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hmcalister/RustCalculator
[INFO] finished tweaking git repo https://github.com/hmcalister/RustCalculator
[INFO] tweaked toml for git repo https://github.com/hmcalister/RustCalculator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hmcalister/RustCalculator 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" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024da7b5c912dd6850fbf4df5a8f8abb551c155fedfd89d861bfe5cbf1cd8f36
[INFO] running `Command { std: "docker" "start" "-a" "024da7b5c912dd6850fbf4df5a8f8abb551c155fedfd89d861bfe5cbf1cd8f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024da7b5c912dd6850fbf4df5a8f8abb551c155fedfd89d861bfe5cbf1cd8f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024da7b5c912dd6850fbf4df5a8f8abb551c155fedfd89d861bfe5cbf1cd8f36", kill_on_drop: false }`
[INFO] [stdout] 024da7b5c912dd6850fbf4df5a8f8abb551c155fedfd89d861bfe5cbf1cd8f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c55db369e76360e531c6da3b94771aeaa4752f6d3c40fd59ac0d54e2625b0f6
[INFO] running `Command { std: "docker" "start" "-a" "0c55db369e76360e531c6da3b94771aeaa4752f6d3c40fd59ac0d54e2625b0f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf_shared v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "0c55db369e76360e531c6da3b94771aeaa4752f6d3c40fd59ac0d54e2625b0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c55db369e76360e531c6da3b94771aeaa4752f6d3c40fd59ac0d54e2625b0f6", kill_on_drop: false }`
[INFO] [stdout] 0c55db369e76360e531c6da3b94771aeaa4752f6d3c40fd59ac0d54e2625b0f6