[INFO] fetching crate uavcan-derive 0.1.0-preview0...
[INFO] checking uavcan-derive-0.1.0-preview0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate uavcan-derive 0.1.0-preview0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate uavcan-derive 0.1.0-preview0 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 uavcan-derive 0.1.0-preview0
[INFO] finished tweaking crates.io crate uavcan-derive 0.1.0-preview0
[INFO] tweaked toml for crates.io crate uavcan-derive 0.1.0-preview0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.37)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.4)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.76)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.5)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733154ee3f30bf54198c2a92d3fc0f74a5166e8bc9fd2bfaeb3b630faf11b004
[INFO] running `Command { std: "docker" "start" "-a" "733154ee3f30bf54198c2a92d3fc0f74a5166e8bc9fd2bfaeb3b630faf11b004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733154ee3f30bf54198c2a92d3fc0f74a5166e8bc9fd2bfaeb3b630faf11b004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733154ee3f30bf54198c2a92d3fc0f74a5166e8bc9fd2bfaeb3b630faf11b004", kill_on_drop: false }`
[INFO] [stdout] 733154ee3f30bf54198c2a92d3fc0f74a5166e8bc9fd2bfaeb3b630faf11b004
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12a46208d55f1ca8f614f35eff21186e28ee757373328432e996c073fdf29ac
[INFO] running `Command { std: "docker" "start" "-a" "a12a46208d55f1ca8f614f35eff21186e28ee757373328432e996c073fdf29ac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking uavcan-derive v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "a12a46208d55f1ca8f614f35eff21186e28ee757373328432e996c073fdf29ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12a46208d55f1ca8f614f35eff21186e28ee757373328432e996c073fdf29ac", kill_on_drop: false }`
[INFO] [stdout] a12a46208d55f1ca8f614f35eff21186e28ee757373328432e996c073fdf29ac