[INFO] cloning repository https://github.com/PicoJr/damascus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PicoJr/damascus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPicoJr%2Fdamascus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPicoJr%2Fdamascus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbe76915d1a1a2d0357aadcb8c315f8895b3c8cb
[INFO] checking PicoJr/damascus against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPicoJr%2Fdamascus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PicoJr/damascus 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 git repo https://github.com/PicoJr/damascus
[INFO] finished tweaking git repo https://github.com/PicoJr/damascus
[INFO] tweaked toml for git repo https://github.com/PicoJr/damascus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PicoJr/damascus 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 assert_fs v1.0.7
[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] f746d1bcd9169179a097c67631e359f08c47369a3c0fba70ec6a8acdc61f5c45
[INFO] running `Command { std: "docker" "start" "-a" "f746d1bcd9169179a097c67631e359f08c47369a3c0fba70ec6a8acdc61f5c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f746d1bcd9169179a097c67631e359f08c47369a3c0fba70ec6a8acdc61f5c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f746d1bcd9169179a097c67631e359f08c47369a3c0fba70ec6a8acdc61f5c45", kill_on_drop: false }`
[INFO] [stdout] f746d1bcd9169179a097c67631e359f08c47369a3c0fba70ec6a8acdc61f5c45
[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] 1002e6bd30b1b2ad3e2431ebb6ef9bb7c14ddbd0ffda530f5632e5803271e81a
[INFO] running `Command { std: "docker" "start" "-a" "1002e6bd30b1b2ad3e2431ebb6ef9bb7c14ddbd0ffda530f5632e5803271e81a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking damascus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "1002e6bd30b1b2ad3e2431ebb6ef9bb7c14ddbd0ffda530f5632e5803271e81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1002e6bd30b1b2ad3e2431ebb6ef9bb7c14ddbd0ffda530f5632e5803271e81a", kill_on_drop: false }`
[INFO] [stdout] 1002e6bd30b1b2ad3e2431ebb6ef9bb7c14ddbd0ffda530f5632e5803271e81a