[INFO] fetching crate async-shutdown 0.2.1...
[INFO] checking async-shutdown-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate async-shutdown 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate async-shutdown 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-shutdown 0.2.1
[INFO] finished tweaking crates.io crate async-shutdown 0.2.1
[INFO] tweaked toml for crates.io crate async-shutdown 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-shutdown 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.1
[INFO] [stderr]   Downloaded assert2-macros v0.3.11
[INFO] [stderr]   Downloaded assert2 v0.3.11
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded semver v1.0.18
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded tokio v1.31.0
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8826f7d0b5207697e453eea1eb0eb471a1b854a3518089511af47f0f1b51c9
[INFO] running `Command { std: "docker" "start" "-a" "1a8826f7d0b5207697e453eea1eb0eb471a1b854a3518089511af47f0f1b51c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8826f7d0b5207697e453eea1eb0eb471a1b854a3518089511af47f0f1b51c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8826f7d0b5207697e453eea1eb0eb471a1b854a3518089511af47f0f1b51c9", kill_on_drop: false }`
[INFO] [stdout] 1a8826f7d0b5207697e453eea1eb0eb471a1b854a3518089511af47f0f1b51c9
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80abfa6321abf4059491252382f13044d90d93442a62d48d7f963f31839db5c
[INFO] running `Command { std: "docker" "start" "-a" "b80abfa6321abf4059491252382f13044d90d93442a62d48d7f963f31839db5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking async-shutdown v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling assert2-macros v0.3.11
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking assert2 v0.3.11
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "b80abfa6321abf4059491252382f13044d90d93442a62d48d7f963f31839db5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80abfa6321abf4059491252382f13044d90d93442a62d48d7f963f31839db5c", kill_on_drop: false }`
[INFO] [stdout] b80abfa6321abf4059491252382f13044d90d93442a62d48d7f963f31839db5c