[INFO] fetching crate os-detect 0.2.2... [INFO] checking os-detect-0.2.2 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] extracting crate os-detect 0.2.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate os-detect 0.2.2 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate os-detect 0.2.2 [INFO] finished tweaking crates.io crate os-detect 0.2.2 [INFO] tweaked toml for crates.io crate os-detect 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded os-release v0.1.0 [INFO] [stderr] Downloaded loopdev v0.2.1 [INFO] [stderr] Downloaded partition-identity v0.2.8 [INFO] [stderr] Downloaded sys-mount v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c62f7acd12e90cceae1b695f4d0938a1daa0b12203e093bcceb4408a49e78b66 [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" "c62f7acd12e90cceae1b695f4d0938a1daa0b12203e093bcceb4408a49e78b66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c62f7acd12e90cceae1b695f4d0938a1daa0b12203e093bcceb4408a49e78b66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c62f7acd12e90cceae1b695f4d0938a1daa0b12203e093bcceb4408a49e78b66", kill_on_drop: false }` [INFO] [stdout] c62f7acd12e90cceae1b695f4d0938a1daa0b12203e093bcceb4408a49e78b66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b37204c5eb655dfdf274d73e89dd791ae1285029de1da3f039aad139dcb3bba8 [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" "b37204c5eb655dfdf274d73e89dd791ae1285029de1da3f039aad139dcb3bba8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking os-release v0.1.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking loopdev v0.2.1 [INFO] [stderr] Checking sys-mount v1.2.1 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling err-derive v0.2.4 [INFO] [stderr] Checking partition-identity v0.2.8 [INFO] [stderr] Checking os-detect v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.96s [INFO] running `Command { std: "docker" "inspect" "b37204c5eb655dfdf274d73e89dd791ae1285029de1da3f039aad139dcb3bba8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b37204c5eb655dfdf274d73e89dd791ae1285029de1da3f039aad139dcb3bba8", kill_on_drop: false }` [INFO] [stdout] b37204c5eb655dfdf274d73e89dd791ae1285029de1da3f039aad139dcb3bba8