[INFO] updating cached repository https://github.com/FlyingCanoe/number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59b6e8c63c7459d8f0ee8df08bacf116ca38a0e
[INFO] documenting FlyingCanoe/number against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlyingCanoe%2Fnumber" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  48% (138/285)   
Checking out files:  49% (140/285)   
Checking out files:  50% (143/285)   
Checking out files:  51% (146/285)   
Checking out files:  52% (149/285)   
Checking out files:  53% (152/285)   
Checking out files:  54% (154/285)   
Checking out files:  55% (157/285)   
Checking out files:  56% (160/285)   
Checking out files:  57% (163/285)   
Checking out files:  58% (166/285)   
Checking out files:  59% (169/285)   
Checking out files:  60% (171/285)   
Checking out files:  61% (174/285)   
Checking out files:  62% (177/285)   
Checking out files:  63% (180/285)   
Checking out files:  64% (183/285)   
Checking out files:  65% (186/285)   
Checking out files:  66% (189/285)   
Checking out files:  67% (191/285)   
Checking out files:  68% (194/285)   
Checking out files:  69% (197/285)   
Checking out files:  70% (200/285)   
Checking out files:  71% (203/285)   
Checking out files:  72% (206/285)   
Checking out files:  73% (209/285)   
Checking out files:  74% (211/285)   
Checking out files:  75% (214/285)   
Checking out files:  76% (217/285)   
Checking out files:  77% (220/285)   
Checking out files:  78% (223/285)   
Checking out files:  79% (226/285)   
Checking out files:  80% (228/285)   
Checking out files:  81% (231/285)   
Checking out files:  82% (234/285)   
Checking out files:  83% (237/285)   
Checking out files:  84% (240/285)   
Checking out files:  85% (243/285)   
Checking out files:  86% (246/285)   
Checking out files:  87% (248/285)   
Checking out files:  88% (251/285)   
Checking out files:  89% (254/285)   
Checking out files:  90% (257/285)   
Checking out files:  91% (260/285)   
Checking out files:  92% (263/285)   
Checking out files:  93% (266/285)   
Checking out files:  94% (268/285)   
Checking out files:  95% (271/285)   
Checking out files:  96% (274/285)   
Checking out files:  97% (277/285)   
Checking out files:  98% (280/285)   
Checking out files:  99% (283/285)   
Checking out files: 100% (285/285)   
Checking out files: 100% (285/285), done.
[INFO] validating manifest of git repo https://github.com/FlyingCanoe/number on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FlyingCanoe/number
[INFO] finished tweaking git repo https://github.com/FlyingCanoe/number
[INFO] tweaked toml for git repo https://github.com/FlyingCanoe/number written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FlyingCanoe/number already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204d4f6df7b650e714bdde0a5e3d1d70e784617fb059f234c752cff8fa0e5324
[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" "204d4f6df7b650e714bdde0a5e3d1d70e784617fb059f234c752cff8fa0e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204d4f6df7b650e714bdde0a5e3d1d70e784617fb059f234c752cff8fa0e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204d4f6df7b650e714bdde0a5e3d1d70e784617fb059f234c752cff8fa0e5324", kill_on_drop: false }`
[INFO] [stdout] 204d4f6df7b650e714bdde0a5e3d1d70e784617fb059f234c752cff8fa0e5324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c76fa559c321c26d1770f99a490c1ea755fce323f94b1cc79587b7a9f91dd9cd
[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" "c76fa559c321c26d1770f99a490c1ea755fce323f94b1cc79587b7a9f91dd9cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "c76fa559c321c26d1770f99a490c1ea755fce323f94b1cc79587b7a9f91dd9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76fa559c321c26d1770f99a490c1ea755fce323f94b1cc79587b7a9f91dd9cd", kill_on_drop: false }`
[INFO] [stdout] c76fa559c321c26d1770f99a490c1ea755fce323f94b1cc79587b7a9f91dd9cd