[INFO] cloning repository https://github.com/sammyne/2015-zeromq-messaging-for-many-applications
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammyne/2015-zeromq-messaging-for-many-applications" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2F2015-zeromq-messaging-for-many-applications", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2F2015-zeromq-messaging-for-many-applications'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4c5eb66e9c6bdcb184500cd63a840d5ce2a61b4
[INFO] checking sammyne/2015-zeromq-messaging-for-many-applications against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2F2015-zeromq-messaging-for-many-applications" "/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/sammyne/2015-zeromq-messaging-for-many-applications 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/sammyne/2015-zeromq-messaging-for-many-applications
[INFO] finished tweaking git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications
[INFO] tweaked toml for git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications 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 dircpy v0.3.15
[INFO] [stderr]   Downloaded zmq v0.10.0
[INFO] [stderr]   Downloaded zmq-sys v0.12.0
[INFO] [stderr]   Downloaded zeromq-src v0.2.6+4.3.4
[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] 690de714a67debdb43ee4e943bc3ad14aaae69adc7546125f5ece8f5e1ab16ca
[INFO] running `Command { std: "docker" "start" "-a" "690de714a67debdb43ee4e943bc3ad14aaae69adc7546125f5ece8f5e1ab16ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690de714a67debdb43ee4e943bc3ad14aaae69adc7546125f5ece8f5e1ab16ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690de714a67debdb43ee4e943bc3ad14aaae69adc7546125f5ece8f5e1ab16ca", kill_on_drop: false }`
[INFO] [stdout] 690de714a67debdb43ee4e943bc3ad14aaae69adc7546125f5ece8f5e1ab16ca
[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] 76b91015ea04c60ee5e2970df16d21eefc7d1e475b345ca2ab623fad35493eac
[INFO] running `Command { std: "docker" "start" "-a" "76b91015ea04c60ee5e2970df16d21eefc7d1e475b345ca2ab623fad35493eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling winnow v0.5.37
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling dircpy v0.3.15
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling toml v0.8.9
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking task v0.1.0 (/opt/rustwide/workdir/chapter01/task)
[INFO] [stderr]     Checking version v0.1.0 (/opt/rustwide/workdir/chapter01/version)
[INFO] [stderr]     Checking weather-updater v0.1.0 (/opt/rustwide/workdir/chapter01/weather-updater)
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/chapter01/hello-world)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.01s
[INFO] running `Command { std: "docker" "inspect" "76b91015ea04c60ee5e2970df16d21eefc7d1e475b345ca2ab623fad35493eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b91015ea04c60ee5e2970df16d21eefc7d1e475b345ca2ab623fad35493eac", kill_on_drop: false }`
[INFO] [stdout] 76b91015ea04c60ee5e2970df16d21eefc7d1e475b345ca2ab623fad35493eac
[INFO] checking sammyne/2015-zeromq-messaging-for-many-applications against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2F2015-zeromq-messaging-for-many-applications" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications
[INFO] finished tweaking git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications
[INFO] tweaked toml for git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sammyne/2015-zeromq-messaging-for-many-applications 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcd3756eb5fd0e93d262a92412c5cc8a78725cb5f6eaa32351b6836b9b50c502
[INFO] running `Command { std: "docker" "start" "-a" "bcd3756eb5fd0e93d262a92412c5cc8a78725cb5f6eaa32351b6836b9b50c502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd3756eb5fd0e93d262a92412c5cc8a78725cb5f6eaa32351b6836b9b50c502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd3756eb5fd0e93d262a92412c5cc8a78725cb5f6eaa32351b6836b9b50c502", kill_on_drop: false }`
[INFO] [stdout] bcd3756eb5fd0e93d262a92412c5cc8a78725cb5f6eaa32351b6836b9b50c502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d1e25fd612f596e2eec56e8d58297204bad7c9f2d89b8df876facc236f52df
[INFO] running `Command { std: "docker" "start" "-a" "a2d1e25fd612f596e2eec56e8d58297204bad7c9f2d89b8df876facc236f52df", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling winnow v0.5.37
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling dircpy v0.3.15
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling toml v0.8.9
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/chapter01/hello-world)
[INFO] [stderr]     Checking task v0.1.0 (/opt/rustwide/workdir/chapter01/task)
[INFO] [stderr]     Checking weather-updater v0.1.0 (/opt/rustwide/workdir/chapter01/weather-updater)
[INFO] [stderr]     Checking version v0.1.0 (/opt/rustwide/workdir/chapter01/version)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.05s
[INFO] running `Command { std: "docker" "inspect" "a2d1e25fd612f596e2eec56e8d58297204bad7c9f2d89b8df876facc236f52df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d1e25fd612f596e2eec56e8d58297204bad7c9f2d89b8df876facc236f52df", kill_on_drop: false }`
[INFO] [stdout] a2d1e25fd612f596e2eec56e8d58297204bad7c9f2d89b8df876facc236f52df