[INFO] fetching crate shebling-lexer 0.0.0...
[INFO] checking shebling-lexer-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate shebling-lexer 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate shebling-lexer 0.0.0 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 shebling-lexer 0.0.0
[INFO] finished tweaking crates.io crate shebling-lexer 0.0.0
[INFO] tweaked toml for crates.io crate shebling-lexer 0.0.0 written to /workspace/builds/worker-6-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 47 packages
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding supports-color v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-hyperlinks v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-unicode v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding terminal_size v0.1.17 (latest: v0.3.0)
[INFO] [stderr]       Adding textwrap v0.15.2 (latest: v0.16.1)
[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 shebling-ast v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7019270c015c95def8c571b071107b3b54a305413d0a4ace1fd2bd2a2e6734a3
[INFO] running `Command { std: "docker" "start" "-a" "7019270c015c95def8c571b071107b3b54a305413d0a4ace1fd2bd2a2e6734a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7019270c015c95def8c571b071107b3b54a305413d0a4ace1fd2bd2a2e6734a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7019270c015c95def8c571b071107b3b54a305413d0a4ace1fd2bd2a2e6734a3", kill_on_drop: false }`
[INFO] [stdout] 7019270c015c95def8c571b071107b3b54a305413d0a4ace1fd2bd2a2e6734a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d2ba65f49caa4c4bdb9e7d03d5ec8c3b392fa7c434121b4e78b5706b6ba4a88
[INFO] running `Command { std: "docker" "start" "-a" "6d2ba65f49caa4c4bdb9e7d03d5ec8c3b392fa7c434121b4e78b5706b6ba4a88", kill_on_drop: false }`
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking shebling-ast v0.0.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking shebling-lexer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "6d2ba65f49caa4c4bdb9e7d03d5ec8c3b392fa7c434121b4e78b5706b6ba4a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2ba65f49caa4c4bdb9e7d03d5ec8c3b392fa7c434121b4e78b5706b6ba4a88", kill_on_drop: false }`
[INFO] [stdout] 6d2ba65f49caa4c4bdb9e7d03d5ec8c3b392fa7c434121b4e78b5706b6ba4a88