[INFO] fetching crate roux 0.4.0...
[INFO] checking roux-0.4.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate roux 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate roux 0.4.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roux 0.4.0
[INFO] finished tweaking crates.io crate roux 0.4.0
[INFO] tweaked toml for crates.io crate roux 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7868e5f06b77534b3a049ffc3b2a97251427f0dbebd1a5321d4b9b40ee8397f9
[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" "7868e5f06b77534b3a049ffc3b2a97251427f0dbebd1a5321d4b9b40ee8397f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7868e5f06b77534b3a049ffc3b2a97251427f0dbebd1a5321d4b9b40ee8397f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7868e5f06b77534b3a049ffc3b2a97251427f0dbebd1a5321d4b9b40ee8397f9", kill_on_drop: false }`
[INFO] [stdout] 7868e5f06b77534b3a049ffc3b2a97251427f0dbebd1a5321d4b9b40ee8397f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 745880e4404629ba0619c799777be6295d567c2fce3f09929a93715e4f72c037
[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" "745880e4404629ba0619c799777be6295d567c2fce3f09929a93715e4f72c037", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking roux v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.46s
[INFO] running `Command { std: "docker" "inspect" "745880e4404629ba0619c799777be6295d567c2fce3f09929a93715e4f72c037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745880e4404629ba0619c799777be6295d567c2fce3f09929a93715e4f72c037", kill_on_drop: false }`
[INFO] [stdout] 745880e4404629ba0619c799777be6295d567c2fce3f09929a93715e4f72c037