[INFO] cloning repository https://github.com/daniel-ferguson/conv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-ferguson/conv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-ferguson%2Fconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-ferguson%2Fconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 014b960564f1212d6bd4d92400cd129984be7cf3
[INFO] checking daniel-ferguson/conv against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-ferguson%2Fconv" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daniel-ferguson/conv
[INFO] finished tweaking git repo https://github.com/daniel-ferguson/conv
[INFO] tweaked toml for git repo https://github.com/daniel-ferguson/conv written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-ferguson/conv on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daniel-ferguson/conv 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-transcode v1.1.1
[INFO] [stderr]   Downloaded anyhow v1.0.55
[INFO] [stderr]   Downloaded erased-serde v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36cc1f30743ced873fd9e142f061f0f5cffcd44dfc7edf58ea6b606736e9e82c
[INFO] running `Command { std: "docker" "start" "-a" "36cc1f30743ced873fd9e142f061f0f5cffcd44dfc7edf58ea6b606736e9e82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cc1f30743ced873fd9e142f061f0f5cffcd44dfc7edf58ea6b606736e9e82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cc1f30743ced873fd9e142f061f0f5cffcd44dfc7edf58ea6b606736e9e82c", kill_on_drop: false }`
[INFO] [stdout] 36cc1f30743ced873fd9e142f061f0f5cffcd44dfc7edf58ea6b606736e9e82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a4ea4c6e1ab3a57be9c1552e1f72cc18097803c922c3cd8c63e8acf08dd63da
[INFO] running `Command { std: "docker" "start" "-a" "0a4ea4c6e1ab3a57be9c1552e1f72cc18097803c922c3cd8c63e8acf08dd63da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling erased-serde v0.3.18
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.2
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde-transcode v1.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "0a4ea4c6e1ab3a57be9c1552e1f72cc18097803c922c3cd8c63e8acf08dd63da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4ea4c6e1ab3a57be9c1552e1f72cc18097803c922c3cd8c63e8acf08dd63da", kill_on_drop: false }`
[INFO] [stdout] 0a4ea4c6e1ab3a57be9c1552e1f72cc18097803c922c3cd8c63e8acf08dd63da