[INFO] cloning repository https://github.com/KoenWestendorp/carburator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoenWestendorp/carburator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoenWestendorp%2Fcarburator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoenWestendorp%2Fcarburator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cc0d8a88059d08f012659d83bb39e6f98a30541
[INFO] checking KoenWestendorp/carburator against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoenWestendorp%2Fcarburator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KoenWestendorp/carburator
[INFO] finished tweaking git repo https://github.com/KoenWestendorp/carburator
[INFO] tweaked toml for git repo https://github.com/KoenWestendorp/carburator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KoenWestendorp/carburator on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KoenWestendorp/carburator 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c46d8d04121a3fe13550445d65b0aad599b553e3343affd89f0f8ed3b76adfe
[INFO] running `Command { std: "docker" "start" "-a" "2c46d8d04121a3fe13550445d65b0aad599b553e3343affd89f0f8ed3b76adfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c46d8d04121a3fe13550445d65b0aad599b553e3343affd89f0f8ed3b76adfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c46d8d04121a3fe13550445d65b0aad599b553e3343affd89f0f8ed3b76adfe", kill_on_drop: false }`
[INFO] [stdout] 2c46d8d04121a3fe13550445d65b0aad599b553e3343affd89f0f8ed3b76adfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c51667caed913f3ec82a89cd5f839335de6b064a2b7f4abc8f3b7ade37cc9f7
[INFO] running `Command { std: "docker" "start" "-a" "7c51667caed913f3ec82a89cd5f839335de6b064a2b7f4abc8f3b7ade37cc9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]     Checking rppal v0.14.1
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking carburator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `forward` and `backward` are never used
[INFO] [stdout]   --> src/instruction.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Speed {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn forward() -> Self {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub(crate) fn backward() -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `forward` and `backward` are never used
[INFO] [stdout]   --> src/instruction.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Speed {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn forward() -> Self {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub(crate) fn backward() -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "7c51667caed913f3ec82a89cd5f839335de6b064a2b7f4abc8f3b7ade37cc9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c51667caed913f3ec82a89cd5f839335de6b064a2b7f4abc8f3b7ade37cc9f7", kill_on_drop: false }`
[INFO] [stdout] 7c51667caed913f3ec82a89cd5f839335de6b064a2b7f4abc8f3b7ade37cc9f7