[INFO] cloning repository https://github.com/tonyb983/term-println
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonyb983/term-println" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyb983%2Fterm-println", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyb983%2Fterm-println'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 486f87322d95b2bf34a79bf445fa4dbfe902def3
[INFO] testing tonyb983/term-println against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyb983%2Fterm-println" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tonyb983/term-println on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tonyb983/term-println
[INFO] finished tweaking git repo https://github.com/tonyb983/term-println
[INFO] tweaked toml for git repo https://github.com/tonyb983/term-println written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/tonyb983/term-println already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tonyb983/ansirs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0bc963da2f8c4484fab153d235e55ac090893e8ee41ae914bb596b519f438da
[INFO] running `Command { std: "docker" "start" "-a" "b0bc963da2f8c4484fab153d235e55ac090893e8ee41ae914bb596b519f438da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bc963da2f8c4484fab153d235e55ac090893e8ee41ae914bb596b519f438da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bc963da2f8c4484fab153d235e55ac090893e8ee41ae914bb596b519f438da", kill_on_drop: false }`
[INFO] [stdout] b0bc963da2f8c4484fab153d235e55ac090893e8ee41ae914bb596b519f438da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a61ea276af6eb2af8dcc7d5a6f1919535b7265946c0bc7bee880727735b9586
[INFO] running `Command { std: "docker" "start" "-a" "2a61ea276af6eb2af8dcc7d5a6f1919535b7265946c0bc7bee880727735b9586", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling ansirs v0.1.3 (https://github.com/tonyb983/ansirs#bab04819)
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling fmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(round_char_boundary)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fmt` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a61ea276af6eb2af8dcc7d5a6f1919535b7265946c0bc7bee880727735b9586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a61ea276af6eb2af8dcc7d5a6f1919535b7265946c0bc7bee880727735b9586", kill_on_drop: false }`
[INFO] [stdout] 2a61ea276af6eb2af8dcc7d5a6f1919535b7265946c0bc7bee880727735b9586