[INFO] crate docuum 0.9.4 is already in cache
[INFO] checking docuum-0.9.4 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate docuum 0.9.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate docuum 0.9.4 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docuum 0.9.4
[INFO] finished tweaking crates.io crate docuum 0.9.4
[INFO] tweaked toml for crates.io crate docuum 0.9.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate docuum 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6628e90780cc346fd0e38b465f5ef2100a57cc831a8df202729f120e305d448e
[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" "6628e90780cc346fd0e38b465f5ef2100a57cc831a8df202729f120e305d448e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6628e90780cc346fd0e38b465f5ef2100a57cc831a8df202729f120e305d448e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6628e90780cc346fd0e38b465f5ef2100a57cc831a8df202729f120e305d448e", kill_on_drop: false }`
[INFO] [stdout] 6628e90780cc346fd0e38b465f5ef2100a57cc831a8df202729f120e305d448e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8e402937e47c0aff956e14f59232aba3d33147527cbe458521fccb79b2f450
[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" "8e8e402937e47c0aff956e14f59232aba3d33147527cbe458521fccb79b2f450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking colored v1.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking docuum v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.14s
[INFO] running `Command { std: "docker" "inspect" "8e8e402937e47c0aff956e14f59232aba3d33147527cbe458521fccb79b2f450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8e402937e47c0aff956e14f59232aba3d33147527cbe458521fccb79b2f450", kill_on_drop: false }`
[INFO] [stdout] 8e8e402937e47c0aff956e14f59232aba3d33147527cbe458521fccb79b2f450