[INFO] cloning repository https://github.com/arejensen/task_hook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arejensen/task_hook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ftask_hook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ftask_hook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfd4d8cbb4de5ca6ccc440f618411113f9bafde1
[INFO] checking arejensen/task_hook against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ftask_hook" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arejensen/task_hook on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arejensen/task_hook
[INFO] finished tweaking git repo https://github.com/arejensen/task_hook
[INFO] tweaked toml for git repo https://github.com/arejensen/task_hook written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arejensen/task_hook 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c8285cd640feec9a1853da774e66c3151d4d89c17359e053ad5853b5983e77
[INFO] running `Command { std: "docker" "start" "-a" "f5c8285cd640feec9a1853da774e66c3151d4d89c17359e053ad5853b5983e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c8285cd640feec9a1853da774e66c3151d4d89c17359e053ad5853b5983e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c8285cd640feec9a1853da774e66c3151d4d89c17359e053ad5853b5983e77", kill_on_drop: false }`
[INFO] [stdout] f5c8285cd640feec9a1853da774e66c3151d4d89c17359e053ad5853b5983e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d9d4b0f04a3a131a6be353d7d13999e3643dc0ef963c99da2b28ae39f4bb07f
[INFO] running `Command { std: "docker" "start" "-a" "5d9d4b0f04a3a131a6be353d7d13999e3643dc0ef963c99da2b28ae39f4bb07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking task_hook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.79s
[INFO] running `Command { std: "docker" "inspect" "5d9d4b0f04a3a131a6be353d7d13999e3643dc0ef963c99da2b28ae39f4bb07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9d4b0f04a3a131a6be353d7d13999e3643dc0ef963c99da2b28ae39f4bb07f", kill_on_drop: false }`
[INFO] [stdout] 5d9d4b0f04a3a131a6be353d7d13999e3643dc0ef963c99da2b28ae39f4bb07f
[INFO] checking arejensen/task_hook against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ftask_hook" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arejensen/task_hook on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arejensen/task_hook
[INFO] finished tweaking git repo https://github.com/arejensen/task_hook
[INFO] tweaked toml for git repo https://github.com/arejensen/task_hook written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arejensen/task_hook 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47cdb227667662cc13ec92f678050f08db65734bf665cc43238b1f7b8cd9d50
[INFO] running `Command { std: "docker" "start" "-a" "b47cdb227667662cc13ec92f678050f08db65734bf665cc43238b1f7b8cd9d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47cdb227667662cc13ec92f678050f08db65734bf665cc43238b1f7b8cd9d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47cdb227667662cc13ec92f678050f08db65734bf665cc43238b1f7b8cd9d50", kill_on_drop: false }`
[INFO] [stdout] b47cdb227667662cc13ec92f678050f08db65734bf665cc43238b1f7b8cd9d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091ced93e8f1540e86b18539f8f61583ee908a6847f00e93a1d5836db8d683de
[INFO] running `Command { std: "docker" "start" "-a" "091ced93e8f1540e86b18539f8f61583ee908a6847f00e93a1d5836db8d683de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking task_hook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.23s
[INFO] running `Command { std: "docker" "inspect" "091ced93e8f1540e86b18539f8f61583ee908a6847f00e93a1d5836db8d683de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091ced93e8f1540e86b18539f8f61583ee908a6847f00e93a1d5836db8d683de", kill_on_drop: false }`
[INFO] [stdout] 091ced93e8f1540e86b18539f8f61583ee908a6847f00e93a1d5836db8d683de