[INFO] fetching crate enqueue-email 0.1.0...
[INFO] documenting enqueue-email-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate enqueue-email 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate enqueue-email 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enqueue-email 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate enqueue-email 0.1.0
[INFO] tweaked toml for crates.io crate enqueue-email 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate enqueue-email 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", 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] c965ee1ad5c63bf796af1e2b4a3622f13435af4476c5567d86c03adcb46c60a4
[INFO] running `Command { std: "docker" "start" "-a" "c965ee1ad5c63bf796af1e2b4a3622f13435af4476c5567d86c03adcb46c60a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c965ee1ad5c63bf796af1e2b4a3622f13435af4476c5567d86c03adcb46c60a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c965ee1ad5c63bf796af1e2b4a3622f13435af4476c5567d86c03adcb46c60a4", kill_on_drop: false }`
[INFO] [stdout] c965ee1ad5c63bf796af1e2b4a3622f13435af4476c5567d86c03adcb46c60a4
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 6af40692a12db2e8cad1483489f89fb53d7a394d7a3e7f33478045a2f77fa7f9
[INFO] running `Command { std: "docker" "start" "-a" "6af40692a12db2e8cad1483489f89fb53d7a394d7a3e7f33478045a2f77fa7f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]     Checking adler v0.2.2
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[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking infer v0.1.7
[INFO] [stderr]    Compiling time v0.2.16
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[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]     Checking getrandom v0.1.14
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[INFO] [stderr]    Compiling cc v1.0.55
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[INFO] [stderr]     Checking aes-gcm v0.5.0
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
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[INFO] [stderr]     Checking webpki v0.21.3
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[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
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[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking js-sys v0.3.40
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[INFO] [stderr]     Checking pin-project v0.4.22
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[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
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[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking serde_qs v0.6.1
[INFO] [stderr]     Checking http-types v2.2.1
[INFO] [stderr]     Checking enqueue-email v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting enqueue-email v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "6af40692a12db2e8cad1483489f89fb53d7a394d7a3e7f33478045a2f77fa7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af40692a12db2e8cad1483489f89fb53d7a394d7a3e7f33478045a2f77fa7f9", kill_on_drop: false }`
[INFO] [stdout] 6af40692a12db2e8cad1483489f89fb53d7a394d7a3e7f33478045a2f77fa7f9