[INFO] fetching crate pwfr 0.0.0-none...
[INFO] checking pwfr-0.0.0-none against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate pwfr 0.0.0-none into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pwfr 0.0.0-none on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwfr 0.0.0-none
[INFO] finished tweaking crates.io crate pwfr 0.0.0-none
[INFO] tweaked toml for crates.io crate pwfr 0.0.0-none written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pwfr 0.0.0-none already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec786b80b7dc8a556b0746b44a7abdcbba133422ba55e0d2f0bcf78cee1df836
[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" "ec786b80b7dc8a556b0746b44a7abdcbba133422ba55e0d2f0bcf78cee1df836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec786b80b7dc8a556b0746b44a7abdcbba133422ba55e0d2f0bcf78cee1df836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec786b80b7dc8a556b0746b44a7abdcbba133422ba55e0d2f0bcf78cee1df836", kill_on_drop: false }`
[INFO] [stdout] ec786b80b7dc8a556b0746b44a7abdcbba133422ba55e0d2f0bcf78cee1df836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 489b2a78a1c2b81f67ad681fa542b25554670af444024d0229e2ddb874521ca9
[INFO] running `Command { std: "docker" "start" "-a" "489b2a78a1c2b81f67ad681fa542b25554670af444024d0229e2ddb874521ca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking pwfr v0.0.0-none (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.74s
[INFO] running `Command { std: "docker" "inspect" "489b2a78a1c2b81f67ad681fa542b25554670af444024d0229e2ddb874521ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489b2a78a1c2b81f67ad681fa542b25554670af444024d0229e2ddb874521ca9", kill_on_drop: false }`
[INFO] [stdout] 489b2a78a1c2b81f67ad681fa542b25554670af444024d0229e2ddb874521ca9