[INFO] fetching crate eventmill 0.4.0...
[INFO] checking eventmill-0.4.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate eventmill 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate eventmill 0.4.0 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 eventmill 0.4.0
[INFO] finished tweaking crates.io crate eventmill 0.4.0
[INFO] tweaked toml for crates.io crate eventmill 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-sync v0.9.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded eventmill_derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4be83bbc339c1945ad73893011ca4c6326ec76a4eadca1b601b372537b1d54df
[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" "4be83bbc339c1945ad73893011ca4c6326ec76a4eadca1b601b372537b1d54df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be83bbc339c1945ad73893011ca4c6326ec76a4eadca1b601b372537b1d54df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be83bbc339c1945ad73893011ca4c6326ec76a4eadca1b601b372537b1d54df", kill_on_drop: false }`
[INFO] [stdout] 4be83bbc339c1945ad73893011ca4c6326ec76a4eadca1b601b372537b1d54df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5b058cc970b11dd09c75e5cd49f3d69da0ed0a6e01e96a4cac9b6bd99b7fefb1
[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" "5b058cc970b11dd09c75e5cd49f3d69da0ed0a6e01e96a4cac9b6bd99b7fefb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking eventmill v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.46s
[INFO] running `Command { std: "docker" "inspect" "5b058cc970b11dd09c75e5cd49f3d69da0ed0a6e01e96a4cac9b6bd99b7fefb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b058cc970b11dd09c75e5cd49f3d69da0ed0a6e01e96a4cac9b6bd99b7fefb1", kill_on_drop: false }`
[INFO] [stdout] 5b058cc970b11dd09c75e5cd49f3d69da0ed0a6e01e96a4cac9b6bd99b7fefb1