[INFO] cloning repository https://github.com/angelofallars/treefetch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelofallars/treefetch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelofallars%2Ftreefetch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelofallars%2Ftreefetch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02f65e11e1f23d5fa9e66335eb5ff4f2f6b01400
[INFO] checking angelofallars/treefetch against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelofallars%2Ftreefetch" "/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/angelofallars/treefetch 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/angelofallars/treefetch
[INFO] finished tweaking git repo https://github.com/angelofallars/treefetch
[INFO] tweaked toml for git repo https://github.com/angelofallars/treefetch written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/angelofallars/treefetch 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 systemstat v0.1.10
[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] 7a34c3793cd2d91a07ff859d5c53312b147d0dcd2f0c1b6baf0898e36b6fc240
[INFO] running `Command { std: "docker" "start" "-a" "7a34c3793cd2d91a07ff859d5c53312b147d0dcd2f0c1b6baf0898e36b6fc240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a34c3793cd2d91a07ff859d5c53312b147d0dcd2f0c1b6baf0898e36b6fc240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a34c3793cd2d91a07ff859d5c53312b147d0dcd2f0c1b6baf0898e36b6fc240", kill_on_drop: false }`
[INFO] [stdout] 7a34c3793cd2d91a07ff859d5c53312b147d0dcd2f0c1b6baf0898e36b6fc240
[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] c56e4d1b284f5bb90911fea470e40a4f7a33b2d134eed7f79a2196c906709b8f
[INFO] running `Command { std: "docker" "start" "-a" "c56e4d1b284f5bb90911fea470e40a4f7a33b2d134eed7f79a2196c906709b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking systemstat v0.1.10
[INFO] [stderr]     Checking treefetch v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colors.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colors.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colors.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colors.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "c56e4d1b284f5bb90911fea470e40a4f7a33b2d134eed7f79a2196c906709b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56e4d1b284f5bb90911fea470e40a4f7a33b2d134eed7f79a2196c906709b8f", kill_on_drop: false }`
[INFO] [stdout] c56e4d1b284f5bb90911fea470e40a4f7a33b2d134eed7f79a2196c906709b8f
[INFO] checking angelofallars/treefetch against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelofallars%2Ftreefetch" "/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/angelofallars/treefetch 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/angelofallars/treefetch
[INFO] finished tweaking git repo https://github.com/angelofallars/treefetch
[INFO] tweaked toml for git repo https://github.com/angelofallars/treefetch written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/angelofallars/treefetch 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] 06aaf9918f3b737d65d81fedc6f031a1b244382545665794c9e576986b4f3b07
[INFO] running `Command { std: "docker" "start" "-a" "06aaf9918f3b737d65d81fedc6f031a1b244382545665794c9e576986b4f3b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06aaf9918f3b737d65d81fedc6f031a1b244382545665794c9e576986b4f3b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06aaf9918f3b737d65d81fedc6f031a1b244382545665794c9e576986b4f3b07", kill_on_drop: false }`
[INFO] [stdout] 06aaf9918f3b737d65d81fedc6f031a1b244382545665794c9e576986b4f3b07
[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] 857492a26e989289622e1e48c2493cf39dc792764c0c3e882c22e0fe6bd48f72
[INFO] running `Command { std: "docker" "start" "-a" "857492a26e989289622e1e48c2493cf39dc792764c0c3e882c22e0fe6bd48f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking systemstat v0.1.10
[INFO] [stderr]     Checking treefetch v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colors.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colors.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colors.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colors.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "857492a26e989289622e1e48c2493cf39dc792764c0c3e882c22e0fe6bd48f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857492a26e989289622e1e48c2493cf39dc792764c0c3e882c22e0fe6bd48f72", kill_on_drop: false }`
[INFO] [stdout] 857492a26e989289622e1e48c2493cf39dc792764c0c3e882c22e0fe6bd48f72