[INFO] fetching crate free-flight-stabilization 0.1.0...
[INFO] testing free-flight-stabilization-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate free-flight-stabilization 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate free-flight-stabilization 0.1.0
[INFO] finished tweaking crates.io crate free-flight-stabilization 0.1.0
[INFO] tweaked toml for crates.io crate free-flight-stabilization 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate free-flight-stabilization 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate free-flight-stabilization 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d18a1e3eec6e05eaa377d723b704d7b984705d4a76f633549429e197995441
[INFO] running `Command { std: "docker" "start" "-a" "75d18a1e3eec6e05eaa377d723b704d7b984705d4a76f633549429e197995441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d18a1e3eec6e05eaa377d723b704d7b984705d4a76f633549429e197995441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d18a1e3eec6e05eaa377d723b704d7b984705d4a76f633549429e197995441", kill_on_drop: false }`
[INFO] [stdout] 75d18a1e3eec6e05eaa377d723b704d7b984705d4a76f633549429e197995441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073dad6c2d6745b626d59b19df456283aa8a7f42df32b469e4f93b3741f0d71d
[INFO] running `Command { std: "docker" "start" "-a" "073dad6c2d6745b626d59b19df456283aa8a7f42df32b469e4f93b3741f0d71d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling piddiy v0.1.1
[INFO] [stderr]    Compiling free-flight-stabilization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "073dad6c2d6745b626d59b19df456283aa8a7f42df32b469e4f93b3741f0d71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073dad6c2d6745b626d59b19df456283aa8a7f42df32b469e4f93b3741f0d71d", kill_on_drop: false }`
[INFO] [stdout] 073dad6c2d6745b626d59b19df456283aa8a7f42df32b469e4f93b3741f0d71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827d5e14618a6c449afef0f1270f05744f5caf219a60b7c9eb6905b672cf06ad
[INFO] running `Command { std: "docker" "start" "-a" "827d5e14618a6c449afef0f1270f05744f5caf219a60b7c9eb6905b672cf06ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling piddiy v0.1.1
[INFO] [stderr]    Compiling free-flight-stabilization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> examples/fixed.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(start)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.86.0; see <https://github.com/rust-lang/rust/pull/134299> for more information
[INFO] [stdout]   = note: not portable enough and never RFC'd
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `start` in this scope
[INFO] [stdout]   --> examples/fixed.rs:35:3
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[start]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `fixed`
[INFO] [stdout]    --> examples/fixed.rs:133:2
[INFO] [stdout]     |
[INFO] [stdout] 133 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/fixed.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `free-flight-stabilization` (example "fixed") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "827d5e14618a6c449afef0f1270f05744f5caf219a60b7c9eb6905b672cf06ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827d5e14618a6c449afef0f1270f05744f5caf219a60b7c9eb6905b672cf06ad", kill_on_drop: false }`
[INFO] [stdout] 827d5e14618a6c449afef0f1270f05744f5caf219a60b7c9eb6905b672cf06ad