[INFO] cloning repository https://github.com/Ansvia/reframe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ansvia/reframe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnsvia%2Freframe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnsvia%2Freframe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c931e227663c5544340f0f2eb0a03af698aa6e4
[INFO] documenting Ansvia/reframe against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnsvia%2Freframe" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ansvia/reframe 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 git repo https://github.com/Ansvia/reframe
[INFO] finished tweaking git repo https://github.com/Ansvia/reframe
[INFO] tweaked toml for git repo https://github.com/Ansvia/reframe written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ansvia/reframe 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] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 time v0.1.44
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[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
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[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
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[INFO] [stderr]   Downloaded foreign-types v0.3.2
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[INFO] [stderr]   Downloaded gimli v0.22.0
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[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded rustyline v5.0.6
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
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[INFO] [stderr]   Downloaded percent-encoding v2.1.0
[INFO] [stderr]   Downloaded httparse v1.3.4
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[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.59
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[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded rand v0.6.5
[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" "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] 0e52c1676695fe296148c5adf7ad723bdc9bdcbe5015b4cd856e96ea22534b4a
[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" "0e52c1676695fe296148c5adf7ad723bdc9bdcbe5015b4cd856e96ea22534b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e52c1676695fe296148c5adf7ad723bdc9bdcbe5015b4cd856e96ea22534b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e52c1676695fe296148c5adf7ad723bdc9bdcbe5015b4cd856e96ea22534b4a", kill_on_drop: false }`
[INFO] [stdout] 0e52c1676695fe296148c5adf7ad723bdc9bdcbe5015b4cd856e96ea22534b4a
[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" "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] 09cdac070f726e9a11bb1335f2c0411fb03e4995764073f52247d7b95c1130a8
[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" "09cdac070f726e9a11bb1335f2c0411fb03e4995764073f52247d7b95c1130a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rustyline v5.0.6
[INFO] [stderr]  Documenting reframe v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.21s
[INFO] running `Command { std: "docker" "inspect" "09cdac070f726e9a11bb1335f2c0411fb03e4995764073f52247d7b95c1130a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09cdac070f726e9a11bb1335f2c0411fb03e4995764073f52247d7b95c1130a8", kill_on_drop: false }`
[INFO] [stdout] 09cdac070f726e9a11bb1335f2c0411fb03e4995764073f52247d7b95c1130a8