[INFO] fetching crate unifac 0.1.5...
[INFO] checking unifac-0.1.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate unifac 0.1.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate unifac 0.1.5 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 unifac 0.1.5
[INFO] finished tweaking crates.io crate unifac 0.1.5
[INFO] tweaked toml for crates.io crate unifac 0.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages
[INFO] [stderr]       Adding ci_info v0.10.2 (latest: v0.14.14)
[INFO] [stderr]       Adding envmnt v0.8.4 (latest: v0.10.4)
[INFO] [stderr]       Adding fsio v0.1.3 (latest: v0.4.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding nias v0.5.0 (latest: v0.7.0)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 195503affdac9ff46181258fb7531e22482a5878cf087571ab5e9d6f3d28a967
[INFO] running `Command { std: "docker" "start" "-a" "195503affdac9ff46181258fb7531e22482a5878cf087571ab5e9d6f3d28a967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195503affdac9ff46181258fb7531e22482a5878cf087571ab5e9d6f3d28a967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195503affdac9ff46181258fb7531e22482a5878cf087571ab5e9d6f3d28a967", kill_on_drop: false }`
[INFO] [stdout] 195503affdac9ff46181258fb7531e22482a5878cf087571ab5e9d6f3d28a967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91286aef812a7327aa15bc9c72030c8032948b0b603b6b9881d5e28b29248157
[INFO] running `Command { std: "docker" "start" "-a" "91286aef812a7327aa15bc9c72030c8032948b0b603b6b9881d5e28b29248157", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking unifac v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "91286aef812a7327aa15bc9c72030c8032948b0b603b6b9881d5e28b29248157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91286aef812a7327aa15bc9c72030c8032948b0b603b6b9881d5e28b29248157", kill_on_drop: false }`
[INFO] [stdout] 91286aef812a7327aa15bc9c72030c8032948b0b603b6b9881d5e28b29248157