[INFO] fetching crate cargo-insta 0.16.0...
[INFO] documenting cargo-insta-0.16.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-insta 0.16.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-insta 0.16.0 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 cargo-insta 0.16.0
[INFO] finished tweaking crates.io crate cargo-insta 0.16.0
[INFO] tweaked toml for crates.io crate cargo-insta 0.16.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-insta 0.16.0 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 insta v0.16.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40614b719c057bc0ba1b5eb2b42b1f84ea535d0e98047a801b66295ba1dac7d
[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" "c40614b719c057bc0ba1b5eb2b42b1f84ea535d0e98047a801b66295ba1dac7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40614b719c057bc0ba1b5eb2b42b1f84ea535d0e98047a801b66295ba1dac7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40614b719c057bc0ba1b5eb2b42b1f84ea535d0e98047a801b66295ba1dac7d", kill_on_drop: false }`
[INFO] [stdout] c40614b719c057bc0ba1b5eb2b42b1f84ea535d0e98047a801b66295ba1dac7d
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9195a88e1cc3a6cc90a70e26056cfd1b8187ea3df373409d2d146230b4428a54
[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" "9195a88e1cc3a6cc90a70e26056cfd1b8187ea3df373409d2d146230b4428a54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking insta v0.16.0
[INFO] [stderr]  Documenting cargo-insta v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "9195a88e1cc3a6cc90a70e26056cfd1b8187ea3df373409d2d146230b4428a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9195a88e1cc3a6cc90a70e26056cfd1b8187ea3df373409d2d146230b4428a54", kill_on_drop: false }`
[INFO] [stdout] 9195a88e1cc3a6cc90a70e26056cfd1b8187ea3df373409d2d146230b4428a54