[INFO] cloning repository https://github.com/stanford-ssi/RusticFish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stanford-ssi/RusticFish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanford-ssi%2FRusticFish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanford-ssi%2FRusticFish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c150c5613bdaac1102c310dff16508f31a4682
[INFO] documenting stanford-ssi/RusticFish against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanford-ssi%2FRusticFish" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanford-ssi/RusticFish on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/stanford-ssi/RusticFish
[INFO] finished tweaking git repo https://github.com/stanford-ssi/RusticFish
[INFO] tweaked toml for git repo https://github.com/stanford-ssi/RusticFish written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/stanford-ssi/RusticFish already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc3487ca45301e7516f2a78b0903635177bbb723edf0b5480896395b102d6e2
[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" "3cc3487ca45301e7516f2a78b0903635177bbb723edf0b5480896395b102d6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc3487ca45301e7516f2a78b0903635177bbb723edf0b5480896395b102d6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc3487ca45301e7516f2a78b0903635177bbb723edf0b5480896395b102d6e2", kill_on_drop: false }`
[INFO] [stdout] 3cc3487ca45301e7516f2a78b0903635177bbb723edf0b5480896395b102d6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 96b70d2a824a729d109fb411a118fcf435cc77dd450dd54d4fbaccceef7c3d09
[INFO] running `Command { std: "docker" "start" "-a" "96b70d2a824a729d109fb411a118fcf435cc77dd450dd54d4fbaccceef7c3d09", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling atsamd51j19a v0.7.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rustic_fish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking atsamd-hal v0.9.0
[INFO] [stderr]  Documenting rustic_fish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `panic_semihosting` (which `rustic_fish` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `rustic_fish` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-25ab0e0aeb89f386.rmeta
[INFO] [stdout]   = note: second definition in `panic_semihosting` loaded from /opt/rustwide/target/debug/deps/libpanic_semihosting-aaefc7e4965ecb8a.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rustic_fish`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rustic_fish src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="cortex-m-rt"' --cfg 'feature="default"' --cfg 'feature="rt"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern atsamd_hal=/opt/rustwide/target/debug/deps/libatsamd_hal-8cd72736a7c411b5.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-e1dafad37e3cb097.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-e45cc0f3b790de5c.rmeta --extern cortex_m_semihosting=/opt/rustwide/target/debug/deps/libcortex_m_semihosting-6d942c9eefc5cc82.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-eb33837c017324e0.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-4a37a9fdcfb27d42.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-25ab0e0aeb89f386.rmeta --extern panic_semihosting=/opt/rustwide/target/debug/deps/libpanic_semihosting-aaefc7e4965ecb8a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "96b70d2a824a729d109fb411a118fcf435cc77dd450dd54d4fbaccceef7c3d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b70d2a824a729d109fb411a118fcf435cc77dd450dd54d4fbaccceef7c3d09", kill_on_drop: false }`
[INFO] [stdout] 96b70d2a824a729d109fb411a118fcf435cc77dd450dd54d4fbaccceef7c3d09
