[INFO] cloning repository https://github.com/s-perez/rusty-dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s-perez/rusty-dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-perez%2Frusty-dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-perez%2Frusty-dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7d79bdcd2d8638818807bb5e2a1bc25e1ae6766
[INFO] documenting s-perez/rusty-dedup against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-perez%2Frusty-dedup" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s-perez/rusty-dedup on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/s-perez/rusty-dedup
[INFO] finished tweaking git repo https://github.com/s-perez/rusty-dedup
[INFO] tweaked toml for git repo https://github.com/s-perez/rusty-dedup written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/s-perez/rusty-dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a6231c673e420c37dd2c81e5282473fd39ef49fedc3011545b2a501b291343d
[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" "8a6231c673e420c37dd2c81e5282473fd39ef49fedc3011545b2a501b291343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6231c673e420c37dd2c81e5282473fd39ef49fedc3011545b2a501b291343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6231c673e420c37dd2c81e5282473fd39ef49fedc3011545b2a501b291343d", kill_on_drop: false }`
[INFO] [stdout] 8a6231c673e420c37dd2c81e5282473fd39ef49fedc3011545b2a501b291343d
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 437bf3dee88651d711acfa4dff19b3a7d38889ea0e24d58d79fd9ed71f679e68
[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" "437bf3dee88651d711acfa4dff19b3a7d38889ea0e24d58d79fd9ed71f679e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking radix_trie v0.1.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]  Documenting rusty-dedup v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `fail` in this scope
[INFO] [stdout]   --> src/json.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             None => fail!(""),
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rusty-dedup`.
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rusty_dedup src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-7d3880bbb01eb686.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-83fffd04fbe6533a.rmeta --extern radix_trie=/opt/rustwide/target/debug/deps/libradix_trie-494c7072d750ffe7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-98aacd8d3f9779ed.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-7a6608a71f2705a1.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "437bf3dee88651d711acfa4dff19b3a7d38889ea0e24d58d79fd9ed71f679e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437bf3dee88651d711acfa4dff19b3a7d38889ea0e24d58d79fd9ed71f679e68", kill_on_drop: false }`
[INFO] [stdout] 437bf3dee88651d711acfa4dff19b3a7d38889ea0e24d58d79fd9ed71f679e68