[INFO] fetching crate ruler 0.1.1...
[INFO] checking ruler-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ruler 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ruler 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruler 0.1.1
[INFO] finished tweaking crates.io crate ruler 0.1.1
[INFO] tweaked toml for crates.io crate ruler 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ruler 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d92a8394e3f5b21ce97babd6fb988703946661833aadc603939108e63e6682
[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" "60d92a8394e3f5b21ce97babd6fb988703946661833aadc603939108e63e6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d92a8394e3f5b21ce97babd6fb988703946661833aadc603939108e63e6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d92a8394e3f5b21ce97babd6fb988703946661833aadc603939108e63e6682", kill_on_drop: false }`
[INFO] [stdout] 60d92a8394e3f5b21ce97babd6fb988703946661833aadc603939108e63e6682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4637aee6b4ca478a1626c65ed6d5c660909e66f1eb855040545b4214516dcaed
[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" "4637aee6b4ca478a1626c65ed6d5c660909e66f1eb855040545b4214516dcaed", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking lipsum v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking ruler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.01s
[INFO] running `Command { std: "docker" "inspect" "4637aee6b4ca478a1626c65ed6d5c660909e66f1eb855040545b4214516dcaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4637aee6b4ca478a1626c65ed6d5c660909e66f1eb855040545b4214516dcaed", kill_on_drop: false }`
[INFO] [stdout] 4637aee6b4ca478a1626c65ed6d5c660909e66f1eb855040545b4214516dcaed