[INFO] cloning repository https://github.com/spaghetus/tasktree.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spaghetus/tasktree.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspaghetus%2Ftasktree.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspaghetus%2Ftasktree.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 646503b988c4f02a4e0329a7ee79e87c0101b65d
[INFO] documenting spaghetus/tasktree.rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspaghetus%2Ftasktree.rs" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spaghetus/tasktree.rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spaghetus/tasktree.rs
[INFO] finished tweaking git repo https://github.com/spaghetus/tasktree.rs
[INFO] tweaked toml for git repo https://github.com/spaghetus/tasktree.rs written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/spaghetus/tasktree.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded newline-converter v0.2.0
[INFO] [stderr]   Downloaded fuzzydate v0.1.5
[INFO] [stderr]   Downloaded inquire v0.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.54
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] [stderr]   Downloaded parse_duration v2.1.1
[INFO] [stderr]   Downloaded no-panic v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a495ce77da9ac62d84463ed189b587832649bbcef18519108513cbe4bcc28d
[INFO] running `Command { std: "docker" "start" "-a" "06a495ce77da9ac62d84463ed189b587832649bbcef18519108513cbe4bcc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a495ce77da9ac62d84463ed189b587832649bbcef18519108513cbe4bcc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a495ce77da9ac62d84463ed189b587832649bbcef18519108513cbe4bcc28d", kill_on_drop: false }`
[INFO] [stdout] 06a495ce77da9ac62d84463ed189b587832649bbcef18519108513cbe4bcc28d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa75a600eaa98eb3f14e18c6e82d3db65241d50044913b4c7b1d7afb41d9bd2
[INFO] running `Command { std: "docker" "start" "-a" "aaa75a600eaa98eb3f14e18c6e82d3db65241d50044913b4c7b1d7afb41d9bd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling no-panic v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking tasktree-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking fuzzydate v0.1.5
[INFO] [stderr]  Documenting tasktree-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]  Documenting tasktree-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.84s
[INFO] running `Command { std: "docker" "inspect" "aaa75a600eaa98eb3f14e18c6e82d3db65241d50044913b4c7b1d7afb41d9bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa75a600eaa98eb3f14e18c6e82d3db65241d50044913b4c7b1d7afb41d9bd2", kill_on_drop: false }`
[INFO] [stdout] aaa75a600eaa98eb3f14e18c6e82d3db65241d50044913b4c7b1d7afb41d9bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 221d650b6968d9f7020390d10817cf9a6d047ef9a70fbc4dd10cbfd10273dbbe
[INFO] running `Command { std: "docker" "start" "-a" "221d650b6968d9f7020390d10817cf9a6d047ef9a70fbc4dd10cbfd10273dbbe", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "221d650b6968d9f7020390d10817cf9a6d047ef9a70fbc4dd10cbfd10273dbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221d650b6968d9f7020390d10817cf9a6d047ef9a70fbc4dd10cbfd10273dbbe", kill_on_drop: false }`
[INFO] [stdout] 221d650b6968d9f7020390d10817cf9a6d047ef9a70fbc4dd10cbfd10273dbbe