[INFO] fetching crate althea_kernel_interface 0.1.0...
[INFO] checking althea_kernel_interface-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate althea_kernel_interface 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate althea_kernel_interface 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate althea_kernel_interface 0.1.0
[INFO] finished tweaking crates.io crate althea_kernel_interface 0.1.0
[INFO] tweaked toml for crates.io crate althea_kernel_interface 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55085006274a3af822c5d6cfb201cc8819bd31eaef1ca6262058c207311e770d
[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" "55085006274a3af822c5d6cfb201cc8819bd31eaef1ca6262058c207311e770d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55085006274a3af822c5d6cfb201cc8819bd31eaef1ca6262058c207311e770d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55085006274a3af822c5d6cfb201cc8819bd31eaef1ca6262058c207311e770d", kill_on_drop: false }`
[INFO] [stdout] 55085006274a3af822c5d6cfb201cc8819bd31eaef1ca6262058c207311e770d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3c81f0798a8d9b1e64a1e0e332fb463168d7df4adf2cb4dc11d0e3ab13e2633
[INFO] running `Command { std: "docker" "start" "-a" "a3c81f0798a8d9b1e64a1e0e332fb463168d7df4adf2cb4dc11d0e3ab13e2633", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking althea_kernel_interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ExitStatus`
[INFO] [stdout]   --> src/lib.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::process::{Command, Output, ExitStatus};
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::process::ExitStatusExt`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::os::unix::process::ExitStatusExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_fake_outputs`
[INFO] [stdout]   --> src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn add_fake_outputs(&mut self, fake_outputs: HashMap<(&'a str, &'a [&'a str]), Output>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "a3c81f0798a8d9b1e64a1e0e332fb463168d7df4adf2cb4dc11d0e3ab13e2633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c81f0798a8d9b1e64a1e0e332fb463168d7df4adf2cb4dc11d0e3ab13e2633", kill_on_drop: false }`
[INFO] [stdout] a3c81f0798a8d9b1e64a1e0e332fb463168d7df4adf2cb4dc11d0e3ab13e2633