[INFO] fetching crate stak-compiler 0.1.54...
[INFO] checking stak-compiler-0.1.54 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate stak-compiler 0.1.54 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate stak-compiler 0.1.54 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stak-compiler 0.1.54
[INFO] finished tweaking crates.io crate stak-compiler 0.1.54
[INFO] tweaked toml for crates.io crate stak-compiler 0.1.54 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-primitive v0.5.9
[INFO] [stderr]   Downloaded stak-device v0.2.51
[INFO] [stderr]   Downloaded stak-configuration v0.1.47
[INFO] [stderr]   Downloaded stak-code v0.2.50
[INFO] [stderr]   Downloaded stak-file v0.4.9
[INFO] [stderr]   Downloaded stak-process-context v0.2.9
[INFO] [stderr]   Downloaded cfg-exif v0.3.0
[INFO] [stderr]   Downloaded stak-vm v0.5.9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e69f69a93bae92732639747f2c38a77e629680ed9a8c480ef7a0d2f2789fba8e
[INFO] running `Command { std: "docker" "start" "-a" "e69f69a93bae92732639747f2c38a77e629680ed9a8c480ef7a0d2f2789fba8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e69f69a93bae92732639747f2c38a77e629680ed9a8c480ef7a0d2f2789fba8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69f69a93bae92732639747f2c38a77e629680ed9a8c480ef7a0d2f2789fba8e", kill_on_drop: false }`
[INFO] [stdout] e69f69a93bae92732639747f2c38a77e629680ed9a8c480ef7a0d2f2789fba8e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b89f6343f848b792c5832292d5c74c26ad54b211667035b198fc0a0ba0b4e79
[INFO] running `Command { std: "docker" "start" "-a" "9b89f6343f848b792c5832292d5c74c26ad54b211667035b198fc0a0ba0b4e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking cfg-exif v0.3.0
[INFO] [stderr]     Checking stak-code v0.2.50
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stak-compiler v0.1.54 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking stak-device v0.2.51
[INFO] [stderr]     Checking stak-file v0.4.9
[INFO] [stderr]     Checking stak-process-context v0.2.9
[INFO] [stderr]     Checking stak-configuration v0.1.47
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stak-vm v0.5.9
[INFO] [stderr]     Checking stak-primitive v0.5.9
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9b89f6343f848b792c5832292d5c74c26ad54b211667035b198fc0a0ba0b4e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b89f6343f848b792c5832292d5c74c26ad54b211667035b198fc0a0ba0b4e79", kill_on_drop: false }`
[INFO] [stdout] 9b89f6343f848b792c5832292d5c74c26ad54b211667035b198fc0a0ba0b4e79