[INFO] cloning repository https://github.com/sgeos/pid_flight_stabilization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgeos/pid_flight_stabilization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgeos%2Fpid_flight_stabilization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgeos%2Fpid_flight_stabilization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61cf9a9428ab04ff675750e677f46d109b17e84d
[INFO] checking sgeos/pid_flight_stabilization against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgeos%2Fpid_flight_stabilization" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sgeos/pid_flight_stabilization
[INFO] finished tweaking git repo https://github.com/sgeos/pid_flight_stabilization
[INFO] tweaked toml for git repo https://github.com/sgeos/pid_flight_stabilization written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sgeos/pid_flight_stabilization on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sgeos/pid_flight_stabilization 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded piddiy v0.1.1
[INFO] [stderr]   Downloaded fixed v1.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dbd7bd3d9f59aad57aa6d8ed277024d86fb00c024d6d15707b7ae14fa1541fb
[INFO] running `Command { std: "docker" "start" "-a" "3dbd7bd3d9f59aad57aa6d8ed277024d86fb00c024d6d15707b7ae14fa1541fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dbd7bd3d9f59aad57aa6d8ed277024d86fb00c024d6d15707b7ae14fa1541fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbd7bd3d9f59aad57aa6d8ed277024d86fb00c024d6d15707b7ae14fa1541fb", kill_on_drop: false }`
[INFO] [stdout] 3dbd7bd3d9f59aad57aa6d8ed277024d86fb00c024d6d15707b7ae14fa1541fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5697019861bccd60b987957b9cec93833ad2771fcb6753c5b55b9991769c9b
[INFO] running `Command { std: "docker" "start" "-a" "cc5697019861bccd60b987957b9cec93833ad2771fcb6753c5b55b9991769c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking piddiy v0.1.1
[INFO] [stderr]     Checking free-flight-stabilization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> examples/no_std_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/no_std_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 `no_std_fixed`
[INFO] [stdout]    --> examples/no_std_fixed.rs:133:2
[INFO] [stdout]     |
[INFO] [stdout] 133 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/no_std_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 "no_std_fixed") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cc5697019861bccd60b987957b9cec93833ad2771fcb6753c5b55b9991769c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5697019861bccd60b987957b9cec93833ad2771fcb6753c5b55b9991769c9b", kill_on_drop: false }`
[INFO] [stdout] cc5697019861bccd60b987957b9cec93833ad2771fcb6753c5b55b9991769c9b