[INFO] fetching crate ironmq-codec 0.1.1...
[INFO] checking ironmq-codec-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ironmq-codec 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ironmq-codec 0.1.1 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 crates.io crate ironmq-codec 0.1.1
[INFO] finished tweaking crates.io crate ironmq-codec 0.1.1
[INFO] tweaked toml for crates.io crate ironmq-codec 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 25 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.6.0 (latest: v1.6.0)
[INFO] [stderr]       Adding tokio v0.3.7 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-util v0.5.1 (latest: v0.7.10)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded tokio-util v0.5.1
[INFO] [stderr]   Downloaded tokio v0.3.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a225247f56eb4614a57a8ebf9ea6c0523762a0da8bf8d169945cfbc74d2e6866
[INFO] running `Command { std: "docker" "start" "-a" "a225247f56eb4614a57a8ebf9ea6c0523762a0da8bf8d169945cfbc74d2e6866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a225247f56eb4614a57a8ebf9ea6c0523762a0da8bf8d169945cfbc74d2e6866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a225247f56eb4614a57a8ebf9ea6c0523762a0da8bf8d169945cfbc74d2e6866", kill_on_drop: false }`
[INFO] [stdout] a225247f56eb4614a57a8ebf9ea6c0523762a0da8bf8d169945cfbc74d2e6866
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de0095a2ec9d03e1ce1e2ebb8597e2080c0a258c157ddd92e862962f79f61d20
[INFO] running `Command { std: "docker" "start" "-a" "de0095a2ec9d03e1ce1e2ebb8597e2080c0a258c157ddd92e862962f79f61d20", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio-util v0.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking ironmq-codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "de0095a2ec9d03e1ce1e2ebb8597e2080c0a258c157ddd92e862962f79f61d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0095a2ec9d03e1ce1e2ebb8597e2080c0a258c157ddd92e862962f79f61d20", kill_on_drop: false }`
[INFO] [stdout] de0095a2ec9d03e1ce1e2ebb8597e2080c0a258c157ddd92e862962f79f61d20