[INFO] fetching crate libfrugalos 0.7.0...
[INFO] checking libfrugalos-0.7.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate libfrugalos 0.7.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libfrugalos 0.7.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libfrugalos 0.7.0
[INFO] finished tweaking crates.io crate libfrugalos 0.7.0
[INFO] tweaked toml for crates.io crate libfrugalos 0.7.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21c0d1082fd8f7544280f7e786975b93812b81575c4bfe3a84de945df568f3f
[INFO] running `Command { std: "docker" "start" "-a" "f21c0d1082fd8f7544280f7e786975b93812b81575c4bfe3a84de945df568f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21c0d1082fd8f7544280f7e786975b93812b81575c4bfe3a84de945df568f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21c0d1082fd8f7544280f7e786975b93812b81575c4bfe3a84de945df568f3f", kill_on_drop: false }`
[INFO] [stdout] f21c0d1082fd8f7544280f7e786975b93812b81575c4bfe3a84de945df568f3f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039a706bafb70c8a2870f06067a5caa957b5415f704ff84142ef6cff0790c77e
[INFO] running `Command { std: "docker" "start" "-a" "039a706bafb70c8a2870f06067a5caa957b5415f704ff84142ef6cff0790c77e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.14
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking tasque v0.1.5
[INFO] [stderr]     Checking fibers_tasque v0.1.2
[INFO] [stderr]     Checking fibers_rpc v0.3.4
[INFO] [stderr]     Checking libfrugalos v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "039a706bafb70c8a2870f06067a5caa957b5415f704ff84142ef6cff0790c77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039a706bafb70c8a2870f06067a5caa957b5415f704ff84142ef6cff0790c77e", kill_on_drop: false }`
[INFO] [stdout] 039a706bafb70c8a2870f06067a5caa957b5415f704ff84142ef6cff0790c77e