[INFO] fetching crate packos 0.1.0...
[INFO] checking packos-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate packos 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate packos 0.1.0 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 packos 0.1.0
[INFO] finished tweaking crates.io crate packos 0.1.0
[INFO] tweaked toml for crates.io crate packos 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate packos 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v0.13.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[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] 0d5d79b0749013c8e2c04ffe37736b656422c0a624d495d034dab308eee266b8
[INFO] running `Command { std: "docker" "start" "-a" "0d5d79b0749013c8e2c04ffe37736b656422c0a624d495d034dab308eee266b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d5d79b0749013c8e2c04ffe37736b656422c0a624d495d034dab308eee266b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5d79b0749013c8e2c04ffe37736b656422c0a624d495d034dab308eee266b8", kill_on_drop: false }`
[INFO] [stdout] 0d5d79b0749013c8e2c04ffe37736b656422c0a624d495d034dab308eee266b8
[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] 4b312bd6d2233354b7e4cd873d20cf45c6ba025b161a15a932024bd8ac08c0a4
[INFO] running `Command { std: "docker" "start" "-a" "4b312bd6d2233354b7e4cd873d20cf45c6ba025b161a15a932024bd8ac08c0a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking packos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking insta v0.13.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "4b312bd6d2233354b7e4cd873d20cf45c6ba025b161a15a932024bd8ac08c0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b312bd6d2233354b7e4cd873d20cf45c6ba025b161a15a932024bd8ac08c0a4", kill_on_drop: false }`
[INFO] [stdout] 4b312bd6d2233354b7e4cd873d20cf45c6ba025b161a15a932024bd8ac08c0a4