[INFO] cloning repository https://github.com/mrkline/modman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrkline/modman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28fc57e0d18689b3eb4b0fbebeea86a39ecb31fb
[INFO] documenting mrkline/modman against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkline%2Fmodman" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrkline/modman on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrkline/modman
[INFO] finished tweaking git repo https://github.com/mrkline/modman
[INFO] tweaked toml for git repo https://github.com/mrkline/modman written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mrkline/modman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] [stderr]   Downloaded piz v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba55c2d7041fcb9b7733400f20816dff4a89d63c58b7434def08fa62c9b46ba5
[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" "ba55c2d7041fcb9b7733400f20816dff4a89d63c58b7434def08fa62c9b46ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba55c2d7041fcb9b7733400f20816dff4a89d63c58b7434def08fa62c9b46ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba55c2d7041fcb9b7733400f20816dff4a89d63c58b7434def08fa62c9b46ba5", kill_on_drop: false }`
[INFO] [stdout] ba55c2d7041fcb9b7733400f20816dff4a89d63c58b7434def08fa62c9b46ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80f48c1398a011d41234b61f2e0f6372c30f1668546df6c19d33d9d9b8b239bd
[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" "80f48c1398a011d41234b61f2e0f6372c30f1668546df6c19d33d9d9b8b239bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking piz v0.3.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]  Documenting modman v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `piz::read`
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `read` in `read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `piz` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `piz` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::piz` to refer to this crate unambiguously
[INFO] [stdout] note: `piz` could also refer to the module imported here
[INFO] [stdout]  --> src/zip_mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piz::read as piz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::piz` to refer to this module unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `modman`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name modman src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-23dff0c64805ed62.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-38053a2bbfbfeb72.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-b38b297ae8f34fd9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-95a9d57e67df36ac.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-944f81c0dc07786f.rmeta --extern owning_ref=/opt/rustwide/target/debug/deps/libowning_ref-0e328750df127068.rmeta --extern piz=/opt/rustwide/target/debug/deps/libpiz-d563ecacdcb0a2ff.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-c3706edcf5d99ba0.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-788ca450948d3465.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-c5a194af366a0b4c.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7b195ede6b83e119.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-9188dd043f834438.rmeta --extern stderrlog=/opt/rustwide/target/debug/deps/libstderrlog-8e60c8d5520d5d82.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-5d82e704982364a6.rmeta --cap-lints=warn --crate-version 0.3.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "80f48c1398a011d41234b61f2e0f6372c30f1668546df6c19d33d9d9b8b239bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f48c1398a011d41234b61f2e0f6372c30f1668546df6c19d33d9d9b8b239bd", kill_on_drop: false }`
[INFO] [stdout] 80f48c1398a011d41234b61f2e0f6372c30f1668546df6c19d33d9d9b8b239bd