[INFO] fetching crate port-alloc 0.1.0...
[INFO] checking port-alloc-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate port-alloc 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate port-alloc 0.1.0 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 port-alloc 0.1.0
[INFO] finished tweaking crates.io crate port-alloc 0.1.0
[INFO] tweaked toml for crates.io crate port-alloc 0.1.0 written to /workspace/builds/worker-4-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 32 packages
[INFO] [stderr]       Adding mio v0.7.14 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.3.7 (latest: v0.6.0)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding signal-hook v0.2.3 (latest: v0.3.17)
[INFO] [stderr]       Adding signal-hook-tokio v0.1.0 (latest: v0.3.1)
[INFO] [stderr]       Adding tokio v0.3.7 (latest: v1.37.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-tokio v0.1.0
[INFO] [stderr]   Downloaded signal-hook v0.2.3
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 89f71d9e4bc208e480ce855294a0ea5b32107f072309a2b50e483e1446b2d329
[INFO] running `Command { std: "docker" "start" "-a" "89f71d9e4bc208e480ce855294a0ea5b32107f072309a2b50e483e1446b2d329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f71d9e4bc208e480ce855294a0ea5b32107f072309a2b50e483e1446b2d329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f71d9e4bc208e480ce855294a0ea5b32107f072309a2b50e483e1446b2d329", kill_on_drop: false }`
[INFO] [stdout] 89f71d9e4bc208e480ce855294a0ea5b32107f072309a2b50e483e1446b2d329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3b7b2cede51452fe5c1ed61b3192345fdfa9045b69cd57c4eb9a1217af5b2807
[INFO] running `Command { std: "docker" "start" "-a" "3b7b2cede51452fe5c1ed61b3192345fdfa9045b69cd57c4eb9a1217af5b2807", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking signal-hook v0.2.3
[INFO] [stderr]     Checking futures-channel 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 signal-hook-tokio v0.1.0
[INFO] [stderr]     Checking port-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "3b7b2cede51452fe5c1ed61b3192345fdfa9045b69cd57c4eb9a1217af5b2807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7b2cede51452fe5c1ed61b3192345fdfa9045b69cd57c4eb9a1217af5b2807", kill_on_drop: false }`
[INFO] [stdout] 3b7b2cede51452fe5c1ed61b3192345fdfa9045b69cd57c4eb9a1217af5b2807