[INFO] cloning repository https://github.com/ChrisDavison/t [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisDavison/t" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Ft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Ft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d719db9e28b792703f611a5ffbd15b2e8165245 [INFO] testing ChrisDavison/t against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Ft" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChrisDavison/t on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ChrisDavison/t [INFO] finished tweaking git repo https://github.com/ChrisDavison/t [INFO] tweaked toml for git repo https://github.com/ChrisDavison/t written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ChrisDavison/t already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pretty_env_logger v0.4.0 [INFO] [stderr] Downloaded pico-args v0.4.2 [INFO] [stderr] Downloaded anyhow v1.0.44 [INFO] [stderr] Downloaded libc v0.2.101 [INFO] [stderr] Downloaded itertools v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36738db32cd4821d6d0c0772f12fa6d98c8dc1006f82e6f9461ac94cb3824c6d [INFO] running `Command { std: "docker" "start" "-a" "36738db32cd4821d6d0c0772f12fa6d98c8dc1006f82e6f9461ac94cb3824c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36738db32cd4821d6d0c0772f12fa6d98c8dc1006f82e6f9461ac94cb3824c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36738db32cd4821d6d0c0772f12fa6d98c8dc1006f82e6f9461ac94cb3824c6d", kill_on_drop: false }` [INFO] [stdout] 36738db32cd4821d6d0c0772f12fa6d98c8dc1006f82e6f9461ac94cb3824c6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 936544a3cb0051b65f581c80e920de175d3eb2d1d0feee7f31daeadc32da28c6 [INFO] running `Command { std: "docker" "start" "-a" "936544a3cb0051b65f581c80e920de175d3eb2d1d0feee7f31daeadc32da28c6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling pretty_env_logger v0.4.0 [INFO] [stderr] Compiling t v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'iter_intersperse': recently added [INFO] [stdout] --> src/utility.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | .intersperse(String::from("\n")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #79524 for more information [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'iter_intersperse': recently added [INFO] [stdout] --> src/utility.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | .intersperse(String::from(" ")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #79524 for more information [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `t` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "936544a3cb0051b65f581c80e920de175d3eb2d1d0feee7f31daeadc32da28c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "936544a3cb0051b65f581c80e920de175d3eb2d1d0feee7f31daeadc32da28c6", kill_on_drop: false }` [INFO] [stdout] 936544a3cb0051b65f581c80e920de175d3eb2d1d0feee7f31daeadc32da28c6