[INFO] fetching crate mango-os 0.2.1...
[INFO] checking mango-os-0.2.1 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17
[INFO] extracting crate mango-os 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mango-os 0.2.1
[INFO] finished tweaking crates.io crate mango-os 0.2.1
[INFO] tweaked toml for crates.io crate mango-os 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mango-os 0.2.1 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mango_aarch64 v0.2.1
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded mango-boot v0.2.1
[INFO] [stderr]   Downloaded conquer-once v0.4.0
[INFO] [stderr]   Downloaded uart_16550 v0.3.2
[INFO] [stderr]   Downloaded tock-registers v0.8.1
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded mango-rt v0.2.1
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded mango-test v0.2.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded bootloader v0.9.33
[INFO] [stderr]   Downloaded mango-hal v0.2.1
[INFO] [stderr]   Downloaded aarch64-cpu v9.4.0
[INFO] [stderr]   Downloaded const_fn v0.4.11
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded qemu-exit v3.0.2
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded mango-core v0.2.1
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c93fc19581ba68627b7e4ffdf0e9dc9df2e462d3cb51d0ae99f005b0b00ddfe
[INFO] running `Command { std: "docker" "start" "-a" "2c93fc19581ba68627b7e4ffdf0e9dc9df2e462d3cb51d0ae99f005b0b00ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c93fc19581ba68627b7e4ffdf0e9dc9df2e462d3cb51d0ae99f005b0b00ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c93fc19581ba68627b7e4ffdf0e9dc9df2e462d3cb51d0ae99f005b0b00ddfe", kill_on_drop: false }`
[INFO] [stdout] 2c93fc19581ba68627b7e4ffdf0e9dc9df2e462d3cb51d0ae99f005b0b00ddfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e669df4143a0d884cce10d6f0789c24380e42b20bcd3ee363908cd30bc236fd
[INFO] running `Command { std: "docker" "start" "-a" "6e669df4143a0d884cce10d6f0789c24380e42b20bcd3ee363908cd30bc236fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking conquer-once v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking mango-core v0.2.1
[INFO] [stderr]     Checking uart_16550 v0.3.2
[INFO] [stderr]     Checking mango-hal v0.2.1
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking mango-rt v0.2.1
[INFO] [stderr]     Checking mango-boot v0.2.1
[INFO] [stderr]     Checking mango-os v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mango_boot::*`
[INFO] [stdout]  --> src/boot.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use mango_boot::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mango_boot::*`
[INFO] [stdout]  --> src/boot.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use mango_boot::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "6e669df4143a0d884cce10d6f0789c24380e42b20bcd3ee363908cd30bc236fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e669df4143a0d884cce10d6f0789c24380e42b20bcd3ee363908cd30bc236fd", kill_on_drop: false }`
[INFO] [stdout] 6e669df4143a0d884cce10d6f0789c24380e42b20bcd3ee363908cd30bc236fd