[INFO] cloning repository https://github.com/xacrimon/tcvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xacrimon/tcvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Ftcvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Ftcvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fc3fc8d9c32f840a111db45a6c5152ad3c7e9d9
[INFO] checking xacrimon/tcvm against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Ftcvm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/xacrimon/tcvm
[INFO] finished tweaking git repo https://github.com/xacrimon/tcvm
[INFO] tweaked toml for git repo https://github.com/xacrimon/tcvm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xacrimon/tcvm 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/xacrimon/tcvm 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 logos-derive v0.16.1
[INFO] [stderr]   Downloaded logos-codegen v0.16.1
[INFO] [stderr]   Downloaded ariadne v0.6.0
[INFO] [stderr]   Downloaded logos v0.16.1
[INFO] [stderr]   Downloaded text-size v1.1.1
[INFO] [stderr]   Downloaded cstree v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f4d92c9626534072ba5a1e1384fb7a8990fc5a0d2985f1acda8d931460aefe5e
[INFO] running `Command { std: "docker" "start" "-a" "f4d92c9626534072ba5a1e1384fb7a8990fc5a0d2985f1acda8d931460aefe5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d92c9626534072ba5a1e1384fb7a8990fc5a0d2985f1acda8d931460aefe5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d92c9626534072ba5a1e1384fb7a8990fc5a0d2985f1acda8d931460aefe5e", kill_on_drop: false }`
[INFO] [stdout] f4d92c9626534072ba5a1e1384fb7a8990fc5a0d2985f1acda8d931460aefe5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 74c50daee1d12de5624e4bcf7eafa2ee46d47ca3ec8be525a98ef4b804dcfce3
[INFO] running `Command { std: "docker" "start" "-a" "74c50daee1d12de5624e4bcf7eafa2ee46d47ca3ec8be525a98ef4b804dcfce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking hashbrown v0.17.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking triomphe v0.1.15
[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/hashbrown-0.17.0/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     feature(
[INFO] [stdout] 16 | |         core_intrinsics,
[INFO] [stdout] 17 | |         dropck_eyepatch,
[INFO] [stdout] 18 | |         min_specialization,
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |         strict_provenance_lints
[INFO] [stdout] 23 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashbrown` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "74c50daee1d12de5624e4bcf7eafa2ee46d47ca3ec8be525a98ef4b804dcfce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c50daee1d12de5624e4bcf7eafa2ee46d47ca3ec8be525a98ef4b804dcfce3", kill_on_drop: false }`
[INFO] [stdout] 74c50daee1d12de5624e4bcf7eafa2ee46d47ca3ec8be525a98ef4b804dcfce3