[INFO] cloning repository https://github.com/fnick851/rust-the-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fnick851/rust-the-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnick851%2Frust-the-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnick851%2Frust-the-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89593b4179cbb581f9f7fe49ad516af2d35f0ab7 [INFO] documenting fnick851/rust-the-book against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnick851%2Frust-the-book" "/workspace/builds/worker-46/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fnick851/rust-the-book on toolchain e1df625306f4136949e02612406f0c60df6008f3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fnick851/rust-the-book [INFO] finished tweaking git repo https://github.com/fnick851/rust-the-book [INFO] tweaked toml for git repo https://github.com/fnick851/rust-the-book written to /workspace/builds/worker-46/source/Cargo.toml [INFO] crate git repo https://github.com/fnick851/rust-the-book already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.4.5 [INFO] [stderr] Downloaded cc v1.0.46 [INFO] [stderr] Downloaded ferris-says v0.1.1 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff2dc648e561370b7f04fa6c9ba76fef175738b1369737d6e2235f3bf849d5be [INFO] running `Command { std: "docker" "start" "-a" "ff2dc648e561370b7f04fa6c9ba76fef175738b1369737d6e2235f3bf849d5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff2dc648e561370b7f04fa6c9ba76fef175738b1369737d6e2235f3bf849d5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff2dc648e561370b7f04fa6c9ba76fef175738b1369737d6e2235f3bf849d5be", kill_on_drop: false }` [INFO] [stdout] ff2dc648e561370b7f04fa6c9ba76fef175738b1369737d6e2235f3bf849d5be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d1d650ec0958deef18fdf95cc1c823a859d32a07972e919f86654636cc5e520 [INFO] running `Command { std: "docker" "start" "-a" "1d1d650ec0958deef18fdf95cc1c823a859d32a07972e919f86654636cc5e520", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking smallvec v0.4.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking ferris-says v0.1.1 [INFO] [stderr] Checking hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name trait2 src/bin/trait2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=50e39fb49deb60cb -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name external_file src/bin/external_file.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5fff89f57957aa10 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name slice src/bin/slice.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8c1529127cfb7f78 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name generics src/bin/generics.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0b7e57e5332dc466 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name functions src/bin/functions.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=43f4fe54329a9631 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name trait src/bin/trait.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1dc706c4d46e0630 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name use src/bin/use.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9e4789b1331ed541 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name trait3 src/bin/trait3.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ff3bd29fd5c309d6 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ref_borrow src/bin/ref_borrow.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=66ec06c3c5aea93e -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name vector src/bin/vector.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c98498bb91c8dfd -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name super_path src/bin/super_path.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8634fb0e5e0354b9 -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name mutability src/bin/mutability.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=821c6cfc4a0ee6ff -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name control_flow src/bin/control_flow.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=61723dc525a42dbd -L dependency=/opt/rustwide/target/debug/deps --extern ferris_says=/opt/rustwide/target/debug/deps/libferris_says-f2202bde55128b5f.rmeta --extern hello_rust=/opt/rustwide/target/debug/deps/libhello_rust-121b0da1a71e9d82.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d403b32bb9b6b862.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "1d1d650ec0958deef18fdf95cc1c823a859d32a07972e919f86654636cc5e520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d1d650ec0958deef18fdf95cc1c823a859d32a07972e919f86654636cc5e520", kill_on_drop: false }` [INFO] [stdout] 1d1d650ec0958deef18fdf95cc1c823a859d32a07972e919f86654636cc5e520