[INFO] fetching crate cobalt_os 0.1.1...
[INFO] testing cobalt_os-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cobalt_os 0.1.1 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate cobalt_os 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-107/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-107/source/rust-toolchain
[INFO] started tweaking crates.io crate cobalt_os 0.1.1
[INFO] finished tweaking crates.io crate cobalt_os 0.1.1
[INFO] tweaked toml for crates.io crate cobalt_os 0.1.1 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate cobalt_os 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4715b7ff8e8d0d0f4bd912f30e2faeedf274da05cb210d5d21eff2437f7a1f9d
[INFO] running `Command { std: "docker" "start" "-a" "4715b7ff8e8d0d0f4bd912f30e2faeedf274da05cb210d5d21eff2437f7a1f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4715b7ff8e8d0d0f4bd912f30e2faeedf274da05cb210d5d21eff2437f7a1f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4715b7ff8e8d0d0f4bd912f30e2faeedf274da05cb210d5d21eff2437f7a1f9d", kill_on_drop: false }`
[INFO] [stdout] 4715b7ff8e8d0d0f4bd912f30e2faeedf274da05cb210d5d21eff2437f7a1f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd54fa2f7cf0f75579039b2728cdab44665009c7fecc9b0ae77c4db315d3ef0
[INFO] running `Command { std: "docker" "start" "-a" "7bd54fa2f7cf0f75579039b2728cdab44665009c7fecc9b0ae77c4db315d3ef0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling array-macro v2.1.0
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling smoltcp v0.7.5
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling rsdp v2.0.0
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling acpi v4.0.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling pic8259 v0.10.2
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling aml v0.16.0
[INFO] [stderr]    Compiling cobalt_os v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `disk`
[INFO] [stdout]   --> src/sys/storage/fs/dev_handle.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct MemDevice {disk: Vec<[u8; BLOCK_SIZE]>}
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cobalt_os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7bd54fa2f7cf0f75579039b2728cdab44665009c7fecc9b0ae77c4db315d3ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd54fa2f7cf0f75579039b2728cdab44665009c7fecc9b0ae77c4db315d3ef0", kill_on_drop: false }`
[INFO] [stdout] 7bd54fa2f7cf0f75579039b2728cdab44665009c7fecc9b0ae77c4db315d3ef0