[INFO] updating cached repository https://github.com/danielbusaba/histogram
[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] 52c97c163f589ebb770d1f627985fa8a59e3697b
[INFO] documenting danielbusaba/histogram against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  24% (30/124)   
Checking out files:  25% (31/124)   
Checking out files:  26% (33/124)   
Checking out files:  27% (34/124)   
Checking out files:  28% (35/124)   
Checking out files:  29% (36/124)   
Checking out files:  30% (38/124)   
Checking out files:  31% (39/124)   
Checking out files:  32% (40/124)   
Checking out files:  33% (41/124)   
Checking out files:  34% (43/124)   
Checking out files:  35% (44/124)   
Checking out files:  36% (45/124)   
Checking out files:  37% (46/124)   
Checking out files:  38% (48/124)   
Checking out files:  39% (49/124)   
Checking out files:  40% (50/124)   
Checking out files:  41% (51/124)   
Checking out files:  42% (53/124)   
Checking out files:  43% (54/124)   
Checking out files:  44% (55/124)   
Checking out files:  45% (56/124)   
Checking out files:  46% (58/124)   
Checking out files:  47% (59/124)   
Checking out files:  48% (60/124)   
Checking out files:  49% (61/124)   
Checking out files:  50% (62/124)   
Checking out files:  51% (64/124)   
Checking out files:  52% (65/124)   
Checking out files:  53% (66/124)   
Checking out files:  54% (67/124)   
Checking out files:  55% (69/124)   
Checking out files:  56% (70/124)   
Checking out files:  57% (71/124)   
Checking out files:  58% (72/124)   
Checking out files:  59% (74/124)   
Checking out files:  60% (75/124)   
Checking out files:  61% (76/124)   
Checking out files:  62% (77/124)   
Checking out files:  63% (79/124)   
Checking out files:  64% (80/124)   
Checking out files:  65% (81/124)   
Checking out files:  66% (82/124)   
Checking out files:  67% (84/124)   
Checking out files:  68% (85/124)   
Checking out files:  69% (86/124)   
Checking out files:  70% (87/124)   
Checking out files:  71% (89/124)   
Checking out files:  72% (90/124)   
Checking out files:  73% (91/124)   
Checking out files:  74% (92/124)   
Checking out files:  75% (93/124)   
Checking out files:  76% (95/124)   
Checking out files:  77% (96/124)   
Checking out files:  78% (97/124)   
Checking out files:  79% (98/124)   
Checking out files:  80% (100/124)   
Checking out files:  81% (101/124)   
Checking out files:  82% (102/124)   
Checking out files:  83% (103/124)   
Checking out files:  84% (105/124)   
Checking out files:  85% (106/124)   
Checking out files:  86% (107/124)   
Checking out files:  87% (108/124)   
Checking out files:  88% (110/124)   
Checking out files:  89% (111/124)   
Checking out files:  90% (112/124)   
Checking out files:  91% (113/124)   
Checking out files:  92% (115/124)   
Checking out files:  93% (116/124)   
Checking out files:  94% (117/124)   
Checking out files:  95% (118/124)   
Checking out files:  96% (120/124)   
Checking out files:  97% (121/124)   
Checking out files:  98% (122/124)   
Checking out files:  99% (123/124)   
Checking out files: 100% (124/124)   
Checking out files: 100% (124/124), done.
[INFO] validating manifest of git repo https://github.com/danielbusaba/histogram 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/danielbusaba/histogram
[INFO] finished tweaking git repo https://github.com/danielbusaba/histogram
[INFO] tweaked toml for git repo https://github.com/danielbusaba/histogram written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/danielbusaba/histogram 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-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" "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] 20117874e1b3857addb54479ef9dceed42e8a479d00aacd26a1cf72f80342054
[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" "20117874e1b3857addb54479ef9dceed42e8a479d00aacd26a1cf72f80342054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20117874e1b3857addb54479ef9dceed42e8a479d00aacd26a1cf72f80342054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20117874e1b3857addb54479ef9dceed42e8a479d00aacd26a1cf72f80342054", kill_on_drop: false }`
[INFO] [stdout] 20117874e1b3857addb54479ef9dceed42e8a479d00aacd26a1cf72f80342054
[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" "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] 10ceaf767cf81d84b5ae310028b214a57d78b457a9aa76ef30d64597058491f5
[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" "10ceaf767cf81d84b5ae310028b214a57d78b457a9aa76ef30d64597058491f5", kill_on_drop: false }`
[INFO] [stderr]  Documenting histogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "10ceaf767cf81d84b5ae310028b214a57d78b457a9aa76ef30d64597058491f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ceaf767cf81d84b5ae310028b214a57d78b457a9aa76ef30d64597058491f5", kill_on_drop: false }`
[INFO] [stdout] 10ceaf767cf81d84b5ae310028b214a57d78b457a9aa76ef30d64597058491f5