[INFO] cloning repository https://github.com/kimuti-tsukai/tlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimuti-tsukai/tlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimuti-tsukai%2Ftlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimuti-tsukai%2Ftlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37b15aed3c33a6308c4ff27c22b49af4dba4565c
[INFO] checking kimuti-tsukai/tlist against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimuti-tsukai%2Ftlist" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimuti-tsukai/tlist on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimuti-tsukai/tlist
[INFO] finished tweaking git repo https://github.com/kimuti-tsukai/tlist
[INFO] tweaked toml for git repo https://github.com/kimuti-tsukai/tlist written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kimuti-tsukai/tlist 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4221280b99cdf55d52fd99a8b8b5434848ee92c3c98bf415ddbf9cf6b23d27
[INFO] running `Command { std: "docker" "start" "-a" "aa4221280b99cdf55d52fd99a8b8b5434848ee92c3c98bf415ddbf9cf6b23d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4221280b99cdf55d52fd99a8b8b5434848ee92c3c98bf415ddbf9cf6b23d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4221280b99cdf55d52fd99a8b8b5434848ee92c3c98bf415ddbf9cf6b23d27", kill_on_drop: false }`
[INFO] [stdout] aa4221280b99cdf55d52fd99a8b8b5434848ee92c3c98bf415ddbf9cf6b23d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185a447ab8e6de4cd7419d1d7b777f6374a5f0466114b6efd493d3b662f1c32f
[INFO] running `Command { std: "docker" "start" "-a" "185a447ab8e6de4cd7419d1d7b777f6374a5f0466114b6efd493d3b662f1c32f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]     Checking tlist-macros v0.1.0 (/opt/rustwide/workdir/tlist-macros)
[INFO] [stderr]     Checking nat-macros v0.1.0 (/opt/rustwide/workdir/nat-macros)
[INFO] [stderr]     Checking tlist v0.1.0 (/opt/rustwide/workdir/tlist)
[INFO] [stderr]     Checking tlist-nightly v0.1.0 (/opt/rustwide/workdir/tlist-nightly)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tlist-nightly/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization, fn_traits, unboxed_closures)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tlist-nightly/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization, fn_traits, unboxed_closures)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "185a447ab8e6de4cd7419d1d7b777f6374a5f0466114b6efd493d3b662f1c32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185a447ab8e6de4cd7419d1d7b777f6374a5f0466114b6efd493d3b662f1c32f", kill_on_drop: false }`
[INFO] [stdout] 185a447ab8e6de4cd7419d1d7b777f6374a5f0466114b6efd493d3b662f1c32f