[INFO] fetching crate system-interface 0.6.3...
[INFO] checking system-interface-0.6.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate system-interface 0.6.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate system-interface 0.6.3 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 system-interface 0.6.3
[INFO] finished tweaking crates.io crate system-interface 0.6.3
[INFO] tweaked toml for crates.io crate system-interface 0.6.3 written to /workspace/builds/worker-12/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 ssh2 v0.9.1
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded fs-set-times v0.3.1
[INFO] [stderr]   Downloaded cap-primitives v0.13.9
[INFO] [stderr]   Downloaded cap-fs-ext v0.13.9
[INFO] [stderr]   Downloaded cap-tempfile v0.13.9
[INFO] [stderr]   Downloaded cap-async-std v0.13.9
[INFO] [stderr]   Downloaded arf-strings v0.3.0
[INFO] [stderr]   Downloaded cap-std v0.13.9
[INFO] [stderr]   Downloaded posish v0.6.1
[INFO] [stderr]   Downloaded char-device v0.3.2
[INFO] [stderr]   Downloaded io-close v0.3.7
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded signal-hook v0.3.8
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded socketpair v0.6.2
[INFO] [stderr]   Downloaded winx v0.23.0
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded unsafe-io v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 773dbfde4c8ac2ab2cd5459766652c2f1a109c3d60c4e25e851b5523aa6d359c
[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" "773dbfde4c8ac2ab2cd5459766652c2f1a109c3d60c4e25e851b5523aa6d359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "773dbfde4c8ac2ab2cd5459766652c2f1a109c3d60c4e25e851b5523aa6d359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773dbfde4c8ac2ab2cd5459766652c2f1a109c3d60c4e25e851b5523aa6d359c", kill_on_drop: false }`
[INFO] [stdout] 773dbfde4c8ac2ab2cd5459766652c2f1a109c3d60c4e25e851b5523aa6d359c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 703628ec761ed364679b1025450e850770659f69c050d06cec676b6bb6686d1a
[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" "703628ec761ed364679b1025450e850770659f69c050d06cec676b6bb6686d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling unsafe-io v0.6.2
[INFO] [stderr]    Compiling cap-primitives v0.13.9
[INFO] [stderr]    Compiling cap-std v0.13.9
[INFO] [stderr]    Compiling system-interface v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cap-fs-ext v0.13.9
[INFO] [stderr]     Checking posish v0.6.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking fs-set-times v0.3.1
[INFO] [stderr]     Checking cap-tempfile v0.13.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "703628ec761ed364679b1025450e850770659f69c050d06cec676b6bb6686d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703628ec761ed364679b1025450e850770659f69c050d06cec676b6bb6686d1a", kill_on_drop: false }`
[INFO] [stdout] 703628ec761ed364679b1025450e850770659f69c050d06cec676b6bb6686d1a