[INFO] cloning repository https://github.com/simonhdickson/queue-prop-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonhdickson/queue-prop-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fqueue-prop-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fqueue-prop-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35fc9b70ec47e09a5e7cb33d2a4e729c0d9f6e46
[INFO] checking simonhdickson/queue-prop-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Fqueue-prop-example" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonhdickson/queue-prop-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonhdickson/queue-prop-example
[INFO] finished tweaking git repo https://github.com/simonhdickson/queue-prop-example
[INFO] tweaked toml for git repo https://github.com/simonhdickson/queue-prop-example written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simonhdickson/queue-prop-example 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_derive v0.3.1
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32a81a8943637a4a038cee8d1ee5596f81840701bfbd610b455da5dbc229d3b
[INFO] running `Command { std: "docker" "start" "-a" "c32a81a8943637a4a038cee8d1ee5596f81840701bfbd610b455da5dbc229d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32a81a8943637a4a038cee8d1ee5596f81840701bfbd610b455da5dbc229d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32a81a8943637a4a038cee8d1ee5596f81840701bfbd610b455da5dbc229d3b", kill_on_drop: false }`
[INFO] [stdout] c32a81a8943637a4a038cee8d1ee5596f81840701bfbd610b455da5dbc229d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191c13947f7f0e5122dec1b9008dafe33d137b433cd9c72c76283a45ff066168
[INFO] running `Command { std: "docker" "start" "-a" "191c13947f7f0e5122dec1b9008dafe33d137b433cd9c72c76283a45ff066168", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_derive v0.3.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking queue-prop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "191c13947f7f0e5122dec1b9008dafe33d137b433cd9c72c76283a45ff066168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191c13947f7f0e5122dec1b9008dafe33d137b433cd9c72c76283a45ff066168", kill_on_drop: false }`
[INFO] [stdout] 191c13947f7f0e5122dec1b9008dafe33d137b433cd9c72c76283a45ff066168