[INFO] cloning repository https://github.com/andrewgazelka/palette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/palette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fpalette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fpalette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5e0fbae348e2d9f5aa0b05e7468d8b1c7494bf
[INFO] checking andrewgazelka/palette against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fpalette" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andrewgazelka/palette
[INFO] finished tweaking git repo https://github.com/andrewgazelka/palette
[INFO] tweaked toml for git repo https://github.com/andrewgazelka/palette written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrewgazelka/palette on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrewgazelka/palette 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded tango-bench v0.6.0
[INFO] [stderr]   Downloaded more-asserts v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.89
[INFO] [stderr]   Downloaded snafu-derive v0.8.4
[INFO] [stderr]   Downloaded colorz v1.1.2
[INFO] [stderr]   Downloaded glob-match v0.2.1
[INFO] [stderr]   Downloaded clap_builder v4.5.18
[INFO] [stderr]   Downloaded snafu v0.8.4
[INFO] [stderr]   Downloaded clap v4.5.18
[INFO] [stderr]   Downloaded goblin v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8891287741263a08e973da0572d1d902cfbd872dbef8157937ae1534487063
[INFO] running `Command { std: "docker" "start" "-a" "1c8891287741263a08e973da0572d1d902cfbd872dbef8157937ae1534487063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8891287741263a08e973da0572d1d902cfbd872dbef8157937ae1534487063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8891287741263a08e973da0572d1d902cfbd872dbef8157937ae1534487063", kill_on_drop: false }`
[INFO] [stdout] 1c8891287741263a08e973da0572d1d902cfbd872dbef8157937ae1534487063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391dc4188af115800393dbcbd8d7cd40fa8e5139b1a0b78b7355946e4ede999c
[INFO] running `Command { std: "docker" "start" "-a" "391dc4188af115800393dbcbd8d7cd40fa8e5139b1a0b78b7355946e4ede999c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling tango-bench v0.6.0
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking glob-match v0.2.1
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking colorz v1.1.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking goblin v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking snafu v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking palette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palette` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "391dc4188af115800393dbcbd8d7cd40fa8e5139b1a0b78b7355946e4ede999c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391dc4188af115800393dbcbd8d7cd40fa8e5139b1a0b78b7355946e4ede999c", kill_on_drop: false }`
[INFO] [stdout] 391dc4188af115800393dbcbd8d7cd40fa8e5139b1a0b78b7355946e4ede999c
