[INFO] fetching crate skeptic 0.13.5...
[INFO] checking skeptic-0.13.5 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate skeptic 0.13.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate skeptic 0.13.5 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skeptic 0.13.5
[INFO] finished tweaking crates.io crate skeptic 0.13.5
[INFO] tweaked toml for crates.io crate skeptic 0.13.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce37dd32d1a4f61411c9dd171d2c543640bca4dfbb92aacd472bed03e39a148a
[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" "ce37dd32d1a4f61411c9dd171d2c543640bca4dfbb92aacd472bed03e39a148a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce37dd32d1a4f61411c9dd171d2c543640bca4dfbb92aacd472bed03e39a148a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce37dd32d1a4f61411c9dd171d2c543640bca4dfbb92aacd472bed03e39a148a", kill_on_drop: false }`
[INFO] [stdout] ce37dd32d1a4f61411c9dd171d2c543640bca4dfbb92aacd472bed03e39a148a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39206445599bf5e7c11ae5bb91d7246f40065bd591d822c4cf5c66720b55ac5b
[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" "39206445599bf5e7c11ae5bb91d7246f40065bd591d822c4cf5c66720b55ac5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking skeptic v0.13.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.24s
[INFO] running `Command { std: "docker" "inspect" "39206445599bf5e7c11ae5bb91d7246f40065bd591d822c4cf5c66720b55ac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39206445599bf5e7c11ae5bb91d7246f40065bd591d822c4cf5c66720b55ac5b", kill_on_drop: false }`
[INFO] [stdout] 39206445599bf5e7c11ae5bb91d7246f40065bd591d822c4cf5c66720b55ac5b