[INFO] fetching crate trinket_m0 0.7.0...
[INFO] documenting trinket_m0-0.7.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate trinket_m0 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate trinket_m0 0.7.0 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate trinket_m0 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trinket_m0 0.7.0
[INFO] tweaked toml for crates.io crate trinket_m0 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate trinket_m0 0.7.0 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] 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] [stdout] f22660a03e55ba6c609717f849f8f42effdac08ff9f9749fefd93ef8ebfbd2e1
[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" "f22660a03e55ba6c609717f849f8f42effdac08ff9f9749fefd93ef8ebfbd2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22660a03e55ba6c609717f849f8f42effdac08ff9f9749fefd93ef8ebfbd2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22660a03e55ba6c609717f849f8f42effdac08ff9f9749fefd93ef8ebfbd2e1", kill_on_drop: false }`
[INFO] [stdout] f22660a03e55ba6c609717f849f8f42effdac08ff9f9749fefd93ef8ebfbd2e1
[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] c28e5004e9aa1db5d45c2e5592deb359998ac9e1d111bb6118c5acf8dc6be2ef
[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" "c28e5004e9aa1db5d45c2e5592deb359998ac9e1d111bb6118c5acf8dc6be2ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling atsamd21e18a v0.7.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling trinket_m0 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking atsamd-hal v0.9.0
[INFO] [stderr]  Documenting trinket_m0 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.86s
[INFO] running `Command { std: "docker" "inspect" "c28e5004e9aa1db5d45c2e5592deb359998ac9e1d111bb6118c5acf8dc6be2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28e5004e9aa1db5d45c2e5592deb359998ac9e1d111bb6118c5acf8dc6be2ef", kill_on_drop: false }`
[INFO] [stdout] c28e5004e9aa1db5d45c2e5592deb359998ac9e1d111bb6118c5acf8dc6be2ef