[INFO] cloning repository https://github.com/alilee/rust-osdev-jumpstart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alilee/rust-osdev-jumpstart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falilee%2Frust-osdev-jumpstart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falilee%2Frust-osdev-jumpstart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f728f7f30b6404c7357ea08735cbcf8861027c74
[INFO] checking alilee/rust-osdev-jumpstart against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falilee%2Frust-osdev-jumpstart" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alilee/rust-osdev-jumpstart on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/alilee/rust-osdev-jumpstart
[INFO] finished tweaking git repo https://github.com/alilee/rust-osdev-jumpstart
[INFO] tweaked toml for git repo https://github.com/alilee/rust-osdev-jumpstart written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/alilee/rust-osdev-jumpstart already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.6.0
[INFO] [stderr]   Downloaded register v1.0.1
[INFO] [stderr]   Downloaded cortex-a v5.1.0
[INFO] [stderr]   Downloaded qemu-exit v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 506e9e8196aa8a4fc1ac2a21830328dd3a659605260212d37fb5462ab2d2d709
[INFO] running `Command { std: "docker" "start" "-a" "506e9e8196aa8a4fc1ac2a21830328dd3a659605260212d37fb5462ab2d2d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "506e9e8196aa8a4fc1ac2a21830328dd3a659605260212d37fb5462ab2d2d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506e9e8196aa8a4fc1ac2a21830328dd3a659605260212d37fb5462ab2d2d709", kill_on_drop: false }`
[INFO] [stdout] 506e9e8196aa8a4fc1ac2a21830328dd3a659605260212d37fb5462ab2d2d709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47cd7d410e46ea9e886c3a004b48beed898a8930186c03e886870765ac6cfe35
[INFO] running `Command { std: "docker" "start" "-a" "47cd7d410e46ea9e886c3a004b48beed898a8930186c03e886870765ac6cfe35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking qemu-exit v1.0.0
[INFO] [stderr]     Checking test-types v0.1.0 (/opt/rustwide/workdir/test-types)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qemu-exit-1.0.0/src/lib.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qemu-exit`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "47cd7d410e46ea9e886c3a004b48beed898a8930186c03e886870765ac6cfe35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cd7d410e46ea9e886c3a004b48beed898a8930186c03e886870765ac6cfe35", kill_on_drop: false }`
[INFO] [stdout] 47cd7d410e46ea9e886c3a004b48beed898a8930186c03e886870765ac6cfe35