[INFO] fetching crate tickrs 0.4.0...
[INFO] documenting tickrs-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tickrs 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tickrs 0.4.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tickrs 0.4.0
[INFO] finished tweaking crates.io crate tickrs 0.4.0
[INFO] tweaked toml for crates.io crate tickrs 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tickrs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 tickrs-api v0.3.4
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded polling v0.1.5
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded libz-sys v1.1.0
[INFO] [stderr]   Downloaded event-listener v2.3.3
[INFO] [stderr]   Downloaded async-mutex v1.1.5
[INFO] [stderr]   Downloaded tui v0.9.5
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded vec-arena v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d190d2ec99f1fba7a54108290c7d322dd78a1079a8b50bf8be4a74f3b82b9f5
[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" "8d190d2ec99f1fba7a54108290c7d322dd78a1079a8b50bf8be4a74f3b82b9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d190d2ec99f1fba7a54108290c7d322dd78a1079a8b50bf8be4a74f3b82b9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d190d2ec99f1fba7a54108290c7d322dd78a1079a8b50bf8be4a74f3b82b9f5", kill_on_drop: false }`
[INFO] [stdout] 8d190d2ec99f1fba7a54108290c7d322dd78a1079a8b50bf8be4a74f3b82b9f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 892d736871a2947ee96965ecc106cd930cb860333cd39d883da8093316d73690
[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" "892d736871a2947ee96965ecc106cd930cb860333cd39d883da8093316d73690", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling isahc v0.8.2
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]    Compiling openssl-src v111.10.2+1.1.1g
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tickrs-api v0.3.4
[INFO] [stderr]  Documenting tickrs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "892d736871a2947ee96965ecc106cd930cb860333cd39d883da8093316d73690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892d736871a2947ee96965ecc106cd930cb860333cd39d883da8093316d73690", kill_on_drop: false }`
[INFO] [stdout] 892d736871a2947ee96965ecc106cd930cb860333cd39d883da8093316d73690