[INFO] fetching crate mango-rt 0.2.1...
[INFO] checking mango-rt-0.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mango-rt 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mango-rt 0.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mango-rt 0.2.1
[INFO] finished tweaking crates.io crate mango-rt 0.2.1
[INFO] tweaked toml for crates.io crate mango-rt 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--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]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (latest: v11.1.0)
[INFO] [stderr]       Adding spinning_top v0.2.5 (latest: v0.3.0)
[INFO] [stderr]       Adding tock-registers v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding volatile v0.3.0 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mango_aarch64 v0.2.1
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded mango-hal v0.2.1
[INFO] [stderr]   Downloaded mango-test v0.2.1
[INFO] [stderr]   Downloaded mango-core v0.2.1
[INFO] [stderr]   Downloaded uart_16550 v0.3.1
[INFO] [stderr]   Downloaded aarch64-cpu v9.4.0
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded tock-registers v0.8.1
[INFO] [stderr]   Downloaded conquer-once v0.4.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded qemu-exit v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0824e80f0199cdcfe1a0e2f08191b1e1d32853722f4b925a23686b7e625c6387
[INFO] running `Command { std: "docker" "start" "-a" "0824e80f0199cdcfe1a0e2f08191b1e1d32853722f4b925a23686b7e625c6387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0824e80f0199cdcfe1a0e2f08191b1e1d32853722f4b925a23686b7e625c6387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0824e80f0199cdcfe1a0e2f08191b1e1d32853722f4b925a23686b7e625c6387", kill_on_drop: false }`
[INFO] [stdout] 0824e80f0199cdcfe1a0e2f08191b1e1d32853722f4b925a23686b7e625c6387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35ef94dde28763bdaf0e7ec5db286fb21c2f2959a7a38e1fa3710c3d0112c9f
[INFO] running `Command { std: "docker" "start" "-a" "c35ef94dde28763bdaf0e7ec5db286fb21c2f2959a7a38e1fa3710c3d0112c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking mango-core v0.2.1
[INFO] [stderr]     Checking conquer-once v0.4.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking uart_16550 v0.3.1
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking mango-hal v0.2.1
[INFO] [stderr]     Checking mango-rt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "c35ef94dde28763bdaf0e7ec5db286fb21c2f2959a7a38e1fa3710c3d0112c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35ef94dde28763bdaf0e7ec5db286fb21c2f2959a7a38e1fa3710c3d0112c9f", kill_on_drop: false }`
[INFO] [stdout] c35ef94dde28763bdaf0e7ec5db286fb21c2f2959a7a38e1fa3710c3d0112c9f