[INFO] cloning repository https://github.com/Easyoakland/SINR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Easyoakland/SINR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyoakland%2FSINR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyoakland%2FSINR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11828e61545c77d131862c6e66c733078357ab27
[INFO] checking Easyoakland/SINR against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEasyoakland%2FSINR" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Easyoakland/SINR
[INFO] finished tweaking git repo https://github.com/Easyoakland/SINR
[INFO] tweaked toml for git repo https://github.com/Easyoakland/SINR written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Easyoakland/SINR 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/Easyoakland/SINR 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary-int v1.3.0
[INFO] [stderr]   Downloaded bilge-impl v0.2.0
[INFO] [stderr]   Downloaded bilge v0.2.0
[INFO] [stderr]   Downloaded mach-sys v0.5.4
[INFO] [stderr]   Downloaded gdt-cpus v25.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 462cadbbb6c4437e692b9013796906ec780dfe82f5c028b115f39af064aef3f6
[INFO] running `Command { std: "docker" "start" "-a" "462cadbbb6c4437e692b9013796906ec780dfe82f5c028b115f39af064aef3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462cadbbb6c4437e692b9013796906ec780dfe82f5c028b115f39af064aef3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462cadbbb6c4437e692b9013796906ec780dfe82f5c028b115f39af064aef3f6", kill_on_drop: false }`
[INFO] [stdout] 462cadbbb6c4437e692b9013796906ec780dfe82f5c028b115f39af064aef3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 23240d47270f5d37a459c42f6e768dc1f00bb12156a14a8fe213cfac08090252
[INFO] running `Command { std: "docker" "start" "-a" "23240d47270f5d37a459c42f6e768dc1f00bb12156a14a8fe213cfac08090252", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking arbitrary-int v1.3.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking rmw_free_barrier v0.1.0 (/opt/rustwide/workdir/rmw_free_barrier)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rmw_free_barrier/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(sync_unsafe_cell)]
[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 `rmw_free_barrier` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "23240d47270f5d37a459c42f6e768dc1f00bb12156a14a8fe213cfac08090252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23240d47270f5d37a459c42f6e768dc1f00bb12156a14a8fe213cfac08090252", kill_on_drop: false }`
[INFO] [stdout] 23240d47270f5d37a459c42f6e768dc1f00bb12156a14a8fe213cfac08090252