[INFO] fetching crate ooecs 0.1.1...
[INFO] checking ooecs-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate ooecs 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ooecs 0.1.1
[INFO] finished tweaking crates.io crate ooecs 0.1.1
[INFO] tweaked toml for crates.io crate ooecs 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ooecs 0.1.1 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 crates.io crate ooecs 0.1.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-attr-2018 v3.0.1
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded composable-allocators v0.3.5
[INFO] [stderr]   Downloaded generics v0.5.3
[INFO] [stderr]   Downloaded print-no-std v0.3.0
[INFO] [stderr]   Downloaded dynamic-cast v0.2.0
[INFO] [stderr]   Downloaded basic-oop-macro v0.8.2
[INFO] [stderr]   Downloaded macro_magic_core v0.6.0
[INFO] [stderr]   Downloaded const-default-derive v0.2.0
[INFO] [stderr]   Downloaded exit-no-std v0.3.0
[INFO] [stderr]   Downloaded anycase v0.1.0
[INFO] [stderr]   Downloaded macro_magic_core_macros v0.6.0
[INFO] [stderr]   Downloaded pc-ints v0.4.0
[INFO] [stderr]   Downloaded macro_magic_macros v0.6.0
[INFO] [stderr]   Downloaded arraybox v0.1.4
[INFO] [stderr]   Downloaded macro_magic v0.6.0
[INFO] [stderr]   Downloaded components-arena-traits v1.2.0
[INFO] [stderr]   Downloaded errno-sys v0.2.0
[INFO] [stderr]   Downloaded basic-oop v0.8.2
[INFO] [stderr]   Downloaded iter-identify_first_last v0.2.3
[INFO] [stderr]   Downloaded errno-no-std v0.2.2
[INFO] [stderr]   Downloaded sync-no-std v0.1.5
[INFO] [stderr]   Downloaded panicking v0.7.0
[INFO] [stderr]   Downloaded phantom-type v0.5.2
[INFO] [stderr]   Downloaded components-arena v4.2.3
[INFO] [stderr]   Downloaded dos-cp v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bbd4a3aa70f66c492ee716f31f7c6ce2d241e5d37fb8b499a3dd626dff8bf8d1
[INFO] running `Command { std: "docker" "start" "-a" "bbd4a3aa70f66c492ee716f31f7c6ce2d241e5d37fb8b499a3dd626dff8bf8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd4a3aa70f66c492ee716f31f7c6ce2d241e5d37fb8b499a3dd626dff8bf8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd4a3aa70f66c492ee716f31f7c6ce2d241e5d37fb8b499a3dd626dff8bf8d1", kill_on_drop: false }`
[INFO] [stdout] bbd4a3aa70f66c492ee716f31f7c6ce2d241e5d37fb8b499a3dd626dff8bf8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 908a2eb6e7e24cad6701f0c406747380c20dfb3dfab07ff2e026466959d68f87
[INFO] running `Command { std: "docker" "start" "-a" "908a2eb6e7e24cad6701f0c406747380c20dfb3dfab07ff2e026466959d68f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling macro_magic_core_macros v0.6.0
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.2
[INFO] [stderr]     Checking panicking v0.7.0
[INFO] [stderr]     Checking const-default v1.0.0
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking downcast-rs v2.0.2
[INFO] [stderr]     Checking arraybox v0.1.4
[INFO] [stderr]     Checking generics v0.5.3
[INFO] [stderr]    Compiling anycase v0.1.0
[INFO] [stderr]     Checking components-arena-traits v1.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arraybox-0.1.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_metadata)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking macro-attr-2018 v3.0.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arraybox` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "908a2eb6e7e24cad6701f0c406747380c20dfb3dfab07ff2e026466959d68f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908a2eb6e7e24cad6701f0c406747380c20dfb3dfab07ff2e026466959d68f87", kill_on_drop: false }`
[INFO] [stdout] 908a2eb6e7e24cad6701f0c406747380c20dfb3dfab07ff2e026466959d68f87