[INFO] fetching crate cargo-docco 0.1.0...
[INFO] testing cargo-docco-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate cargo-docco 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-docco 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-docco 0.1.0
[INFO] finished tweaking crates.io crate cargo-docco 0.1.0
[INFO] tweaked toml for crates.io crate cargo-docco 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-docco 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ramhorns-derive v0.10.2
[INFO] [stderr]   Downloaded ramhorns v0.10.2
[INFO] [stderr]   Downloaded rocco v0.1.0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4ec701d2849c99851b4947d11aa4deed204707e259bd40ddc388b5fd41bcbb5
[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" "a4ec701d2849c99851b4947d11aa4deed204707e259bd40ddc388b5fd41bcbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ec701d2849c99851b4947d11aa4deed204707e259bd40ddc388b5fd41bcbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ec701d2849c99851b4947d11aa4deed204707e259bd40ddc388b5fd41bcbb5", kill_on_drop: false }`
[INFO] [stdout] a4ec701d2849c99851b4947d11aa4deed204707e259bd40ddc388b5fd41bcbb5
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40ffb3f02cd696172fed1f835f8dd020d1d440e6b39f32bac6ca940cddd14653
[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" "40ffb3f02cd696172fed1f835f8dd020d1d440e6b39f32bac6ca940cddd14653", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling ramhorns-derive v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling comrak v0.8.2
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling ramhorns v0.10.2
[INFO] [stderr]    Compiling rocco v0.1.0
[INFO] [stderr]    Compiling cargo-docco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "40ffb3f02cd696172fed1f835f8dd020d1d440e6b39f32bac6ca940cddd14653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ffb3f02cd696172fed1f835f8dd020d1d440e6b39f32bac6ca940cddd14653", kill_on_drop: false }`
[INFO] [stdout] 40ffb3f02cd696172fed1f835f8dd020d1d440e6b39f32bac6ca940cddd14653
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce773b85f74330cce7701e0990ce540fdc44c52a053739d0f0e20cb804191e10
[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" "ce773b85f74330cce7701e0990ce540fdc44c52a053739d0f0e20cb804191e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-docco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "ce773b85f74330cce7701e0990ce540fdc44c52a053739d0f0e20cb804191e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce773b85f74330cce7701e0990ce540fdc44c52a053739d0f0e20cb804191e10", kill_on_drop: false }`
[INFO] [stdout] ce773b85f74330cce7701e0990ce540fdc44c52a053739d0f0e20cb804191e10
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9929502bd79b39a97c00bb8d0d0b4f5f786a314c94c22cfd83d8dbf69975533d
[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" "9929502bd79b39a97c00bb8d0d0b4f5f786a314c94c22cfd83d8dbf69975533d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_docco-e4ed9cae4a500d4a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9929502bd79b39a97c00bb8d0d0b4f5f786a314c94c22cfd83d8dbf69975533d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9929502bd79b39a97c00bb8d0d0b4f5f786a314c94c22cfd83d8dbf69975533d", kill_on_drop: false }`
[INFO] [stdout] 9929502bd79b39a97c00bb8d0d0b4f5f786a314c94c22cfd83d8dbf69975533d