[INFO] fetching crate cargo-lipo 3.2.0...
[INFO] checking cargo-lipo-3.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cargo-lipo 3.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cargo-lipo 3.2.0 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 cargo-lipo 3.2.0
[INFO] finished tweaking crates.io crate cargo-lipo 3.2.0
[INFO] tweaked toml for crates.io crate cargo-lipo 3.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-lipo 3.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded serde_json v1.0.62
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0311e5feb9880ca7ba29507e2093a01c83b888ffb5c84d715db1cb57743349ef
[INFO] running `Command { std: "docker" "start" "-a" "0311e5feb9880ca7ba29507e2093a01c83b888ffb5c84d715db1cb57743349ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0311e5feb9880ca7ba29507e2093a01c83b888ffb5c84d715db1cb57743349ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0311e5feb9880ca7ba29507e2093a01c83b888ffb5c84d715db1cb57743349ef", kill_on_drop: false }`
[INFO] [stdout] 0311e5feb9880ca7ba29507e2093a01c83b888ffb5c84d715db1cb57743349ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d19cd40ca200e920cc4f2ac8e73305cdf2bbe06f9d40c66ff33fb62a76ec599a
[INFO] running `Command { std: "docker" "start" "-a" "d19cd40ca200e920cc4f2ac8e73305cdf2bbe06f9d40c66ff33fb62a76ec599a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking cargo-lipo v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "d19cd40ca200e920cc4f2ac8e73305cdf2bbe06f9d40c66ff33fb62a76ec599a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19cd40ca200e920cc4f2ac8e73305cdf2bbe06f9d40c66ff33fb62a76ec599a", kill_on_drop: false }`
[INFO] [stdout] d19cd40ca200e920cc4f2ac8e73305cdf2bbe06f9d40c66ff33fb62a76ec599a