[INFO] cloning repository https://github.com/MarceColl/seido
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarceColl/seido" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarceColl%2Fseido", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarceColl%2Fseido'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1459cd6da7349f696aa68187a743735c5947137f
[INFO] testing MarceColl/seido against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarceColl%2Fseido" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarceColl/seido 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] removed /workspace/builds/worker-16/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/MarceColl/seido
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/MarceColl/seido
[INFO] tweaked toml for git repo https://github.com/MarceColl/seido written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/MarceColl/seido 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.2
[INFO] [stderr]   Downloaded font8x8 v0.3.1
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.17
[INFO] [stderr]   Downloaded bootloader v0.10.12
[INFO] [stderr]   Downloaded pic8259 v0.10.2
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] [stderr]   Downloaded runner-utils v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 1f7f310ce23379d67c01603416f2004fb8970f7b00aa1673d8695c316abfe5ba
[INFO] running `Command { std: "docker" "start" "-a" "1f7f310ce23379d67c01603416f2004fb8970f7b00aa1673d8695c316abfe5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f7f310ce23379d67c01603416f2004fb8970f7b00aa1673d8695c316abfe5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7f310ce23379d67c01603416f2004fb8970f7b00aa1673d8695c316abfe5ba", kill_on_drop: false }`
[INFO] [stdout] 1f7f310ce23379d67c01603416f2004fb8970f7b00aa1673d8695c316abfe5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] a483c236d68349596ece297f6fd6568781132088f4f98e04eff6cda5ce6bb897
[INFO] running `Command { std: "docker" "start" "-a" "a483c236d68349596ece297f6fd6568781132088f4f98e04eff6cda5ce6bb897", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bootloader v0.10.12
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr] error: could not compile `bootloader` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bootloader-0.10.12/src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a483c236d68349596ece297f6fd6568781132088f4f98e04eff6cda5ce6bb897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a483c236d68349596ece297f6fd6568781132088f4f98e04eff6cda5ce6bb897", kill_on_drop: false }`
[INFO] [stdout] a483c236d68349596ece297f6fd6568781132088f4f98e04eff6cda5ce6bb897