[INFO] fetching crate imap 2.3.0...
[INFO] documenting imap-2.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate imap 2.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imap 2.3.0 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 imap 2.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate imap 2.3.0
[INFO] tweaked toml for crates.io crate imap 2.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imap 2.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded rustls-native-certs v0.4.0
[INFO] [stderr]   Downloaded security-framework-sys v1.0.0
[INFO] [stderr]   Downloaded security-framework v1.0.0
[INFO] [stderr]   Downloaded rustls-connector v0.12.0
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01ff709ccdf5591ee89669c09e59d480cabc97343610f757c150f2c7304155e6
[INFO] running `Command { std: "docker" "start" "-a" "01ff709ccdf5591ee89669c09e59d480cabc97343610f757c150f2c7304155e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ff709ccdf5591ee89669c09e59d480cabc97343610f757c150f2c7304155e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ff709ccdf5591ee89669c09e59d480cabc97343610f757c150f2c7304155e6", kill_on_drop: false }`
[INFO] [stdout] 01ff709ccdf5591ee89669c09e59d480cabc97343610f757c150f2c7304155e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ba3fa219ddbb7a765c28087d0220a10f2e250355ebbbd121ab880a41d92dfc00
[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" "ba3fa219ddbb7a765c28087d0220a10f2e250355ebbbd121ab880a41d92dfc00", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]  Documenting imap v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "ba3fa219ddbb7a765c28087d0220a10f2e250355ebbbd121ab880a41d92dfc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3fa219ddbb7a765c28087d0220a10f2e250355ebbbd121ab880a41d92dfc00", kill_on_drop: false }`
[INFO] [stdout] ba3fa219ddbb7a765c28087d0220a10f2e250355ebbbd121ab880a41d92dfc00