[INFO] cloning repository https://github.com/hwuhsi/myos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwuhsi/myos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwuhsi%2Fmyos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwuhsi%2Fmyos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9767022d4980bd81d3df714e424bab9b4433422
[INFO] checking hwuhsi/myos against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwuhsi%2Fmyos" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwuhsi/myos on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hwuhsi/myos
[INFO] finished tweaking git repo https://github.com/hwuhsi/myos
[INFO] tweaked toml for git repo https://github.com/hwuhsi/myos written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/hwuhsi/myos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/apic-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/isomorphic_drivers`
[INFO] [stderr]     Updating git repository `https://github.com/hwuhsi/my-allocator`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded bootloader v0.9.11
[INFO] [stderr]   Downloaded raw-cpuid v8.0.0
[INFO] [stderr]   Downloaded cpuio v0.3.0
[INFO] [stderr]   Downloaded spinning_top v0.1.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.11
[INFO] [stderr]   Downloaded x86 v0.33.0
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded uart_16550 v0.2.11
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded x86_64 v0.12.4
[INFO] [stderr]   Downloaded x86_64 v0.13.1
[INFO] [stderr]   Downloaded pic8259_simple v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71ed257e629e2cb42737ce59ca899b2b4707657fdab4f6c6660b6bf96de832ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71ed257e629e2cb42737ce59ca899b2b4707657fdab4f6c6660b6bf96de832ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71ed257e629e2cb42737ce59ca899b2b4707657fdab4f6c6660b6bf96de832ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ed257e629e2cb42737ce59ca899b2b4707657fdab4f6c6660b6bf96de832ff", kill_on_drop: false }`
[INFO] [stdout] 71ed257e629e2cb42737ce59ca899b2b4707657fdab4f6c6660b6bf96de832ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 632f35a8d5cbdbfd86a22031018c0bc807fbb560642df2769a1aadd592463aa1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "632f35a8d5cbdbfd86a22031018c0bc807fbb560642df2769a1aadd592463aa1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/9cfe725f0995b018340c519db1b2f3cf8a7e0631/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "632f35a8d5cbdbfd86a22031018c0bc807fbb560642df2769a1aadd592463aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632f35a8d5cbdbfd86a22031018c0bc807fbb560642df2769a1aadd592463aa1", kill_on_drop: false }`
[INFO] [stdout] 632f35a8d5cbdbfd86a22031018c0bc807fbb560642df2769a1aadd592463aa1