[INFO] fetching crate three-edge-connected 0.1.0...
[INFO] checking three-edge-connected-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate three-edge-connected 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate three-edge-connected 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate three-edge-connected 0.1.0
[INFO] finished tweaking crates.io crate three-edge-connected 0.1.0
[INFO] tweaked toml for crates.io crate three-edge-connected 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate three-edge-connected 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.0
[INFO] [stderr]   Downloaded gfa v0.8.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 47e6988128cec9b2b81de913645b1bd7e0a2d010505410c2c8013210d708ad63
[INFO] running `Command { std: "docker" "start" "-a" "47e6988128cec9b2b81de913645b1bd7e0a2d010505410c2c8013210d708ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e6988128cec9b2b81de913645b1bd7e0a2d010505410c2c8013210d708ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e6988128cec9b2b81de913645b1bd7e0a2d010505410c2c8013210d708ad63", kill_on_drop: false }`
[INFO] [stdout] 47e6988128cec9b2b81de913645b1bd7e0a2d010505410c2c8013210d708ad63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5dab7c30fcf4b0d0ad0e6f26cf48203541ccbdc0190772733b2b0d1d338272d
[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" "c5dab7c30fcf4b0d0ad0e6f26cf48203541ccbdc0190772733b2b0d1d338272d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling bytemuck_derive v1.0.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking gfa v0.8.0
[INFO] [stderr]     Checking three-edge-connected v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "c5dab7c30fcf4b0d0ad0e6f26cf48203541ccbdc0190772733b2b0d1d338272d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5dab7c30fcf4b0d0ad0e6f26cf48203541ccbdc0190772733b2b0d1d338272d", kill_on_drop: false }`
[INFO] [stdout] c5dab7c30fcf4b0d0ad0e6f26cf48203541ccbdc0190772733b2b0d1d338272d