[INFO] fetching crate const-trig 0.0.1...
[INFO] testing const-trig-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate const-trig 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate const-trig 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-trig 0.0.1
[INFO] finished tweaking crates.io crate const-trig 0.0.1
[INFO] tweaked toml for crates.io crate const-trig 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate const-trig 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a3532e708b7b751a93474be02cdc26c4d98c32cc311dc984423966d8e88f67
[INFO] running `Command { std: "docker" "start" "-a" "78a3532e708b7b751a93474be02cdc26c4d98c32cc311dc984423966d8e88f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a3532e708b7b751a93474be02cdc26c4d98c32cc311dc984423966d8e88f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a3532e708b7b751a93474be02cdc26c4d98c32cc311dc984423966d8e88f67", kill_on_drop: false }`
[INFO] [stdout] 78a3532e708b7b751a93474be02cdc26c4d98c32cc311dc984423966d8e88f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20a273f1e82d4c44ca0339e86d912c1995ba26511302e5be13e8f9b5954dc95
[INFO] running `Command { std: "docker" "start" "-a" "b20a273f1e82d4c44ca0339e86d912c1995ba26511302e5be13e8f9b5954dc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-trig v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![feature(const_trait_impl)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![feature(const_mut_refs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![feature(auto_traits)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(negative_impls)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-trig` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "b20a273f1e82d4c44ca0339e86d912c1995ba26511302e5be13e8f9b5954dc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20a273f1e82d4c44ca0339e86d912c1995ba26511302e5be13e8f9b5954dc95", kill_on_drop: false }`
[INFO] [stdout] b20a273f1e82d4c44ca0339e86d912c1995ba26511302e5be13e8f9b5954dc95