[INFO] cloning repository https://github.com/KanseiKy/RustyShell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KanseiKy/RustyShell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanseiKy%2FRustyShell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanseiKy%2FRustyShell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c636519d3c107cb5a4a1bf1f72b088187f98e654
[INFO] checking KanseiKy/RustyShell against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanseiKy%2FRustyShell" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KanseiKy/RustyShell 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/KanseiKy/RustyShell
[INFO] finished tweaking git repo https://github.com/KanseiKy/RustyShell
[INFO] tweaked toml for git repo https://github.com/KanseiKy/RustyShell written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KanseiKy/RustyShell 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 ctrlc v3.1.9
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 10b280bcf2c8219a13281bed1ecc4b8ad039eacd0d67a6510f7486b1d3d27d45
[INFO] running `Command { std: "docker" "start" "-a" "10b280bcf2c8219a13281bed1ecc4b8ad039eacd0d67a6510f7486b1d3d27d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b280bcf2c8219a13281bed1ecc4b8ad039eacd0d67a6510f7486b1d3d27d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b280bcf2c8219a13281bed1ecc4b8ad039eacd0d67a6510f7486b1d3d27d45", kill_on_drop: false }`
[INFO] [stdout] 10b280bcf2c8219a13281bed1ecc4b8ad039eacd0d67a6510f7486b1d3d27d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] db09f7d7d17d39e9a1d43d7458d2697666dbbb56b3d2ec35e8b662549850c5d6
[INFO] running `Command { std: "docker" "start" "-a" "db09f7d7d17d39e9a1d43d7458d2697666dbbb56b3d2ec35e8b662549850c5d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking rusty_shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "db09f7d7d17d39e9a1d43d7458d2697666dbbb56b3d2ec35e8b662549850c5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db09f7d7d17d39e9a1d43d7458d2697666dbbb56b3d2ec35e8b662549850c5d6", kill_on_drop: false }`
[INFO] [stdout] db09f7d7d17d39e9a1d43d7458d2697666dbbb56b3d2ec35e8b662549850c5d6
[INFO] checking KanseiKy/RustyShell against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanseiKy%2FRustyShell" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KanseiKy/RustyShell 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/KanseiKy/RustyShell
[INFO] finished tweaking git repo https://github.com/KanseiKy/RustyShell
[INFO] tweaked toml for git repo https://github.com/KanseiKy/RustyShell written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KanseiKy/RustyShell 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 28a4d494013e1692852430a88f3690b6c3f153badb6920e849442a74558199b6
[INFO] running `Command { std: "docker" "start" "-a" "28a4d494013e1692852430a88f3690b6c3f153badb6920e849442a74558199b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a4d494013e1692852430a88f3690b6c3f153badb6920e849442a74558199b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a4d494013e1692852430a88f3690b6c3f153badb6920e849442a74558199b6", kill_on_drop: false }`
[INFO] [stdout] 28a4d494013e1692852430a88f3690b6c3f153badb6920e849442a74558199b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 534e1c70bb3d2ddf470b4dc755fbf2b36704d654d7e22e89d651828f8e31482c
[INFO] running `Command { std: "docker" "start" "-a" "534e1c70bb3d2ddf470b4dc755fbf2b36704d654d7e22e89d651828f8e31482c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking rusty_shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "534e1c70bb3d2ddf470b4dc755fbf2b36704d654d7e22e89d651828f8e31482c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534e1c70bb3d2ddf470b4dc755fbf2b36704d654d7e22e89d651828f8e31482c", kill_on_drop: false }`
[INFO] [stdout] 534e1c70bb3d2ddf470b4dc755fbf2b36704d654d7e22e89d651828f8e31482c