[INFO] fetching crate althea_kernel_interface 0.1.0...
[INFO] checking althea_kernel_interface-0.1.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate althea_kernel_interface 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate althea_kernel_interface 0.1.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hwaddr v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", 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] b23931e3c9eb7cd22b6f3df81e2f1fb2f11d7927f77ca58d276d3f91ab49e3ba
[INFO] running `Command { std: "docker" "start" "-a" "b23931e3c9eb7cd22b6f3df81e2f1fb2f11d7927f77ca58d276d3f91ab49e3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b23931e3c9eb7cd22b6f3df81e2f1fb2f11d7927f77ca58d276d3f91ab49e3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23931e3c9eb7cd22b6f3df81e2f1fb2f11d7927f77ca58d276d3f91ab49e3ba", kill_on_drop: false }`
[INFO] [stdout] b23931e3c9eb7cd22b6f3df81e2f1fb2f11d7927f77ca58d276d3f91ab49e3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef043513b6274bc24a95c74d3915798e1256c4a3dadbd5805260aadb1c5ca453
[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" "ef043513b6274bc24a95c74d3915798e1256c4a3dadbd5805260aadb1c5ca453", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[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 17.40s
[INFO] running `Command { std: "docker" "inspect" "ef043513b6274bc24a95c74d3915798e1256c4a3dadbd5805260aadb1c5ca453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef043513b6274bc24a95c74d3915798e1256c4a3dadbd5805260aadb1c5ca453", kill_on_drop: false }`
[INFO] [stdout] ef043513b6274bc24a95c74d3915798e1256c4a3dadbd5805260aadb1c5ca453