[INFO] cloning repository https://github.com/iepathos/rust_testing_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iepathos/rust_testing_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiepathos%2Frust_testing_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiepathos%2Frust_testing_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1874c7f67ae0b074f59206d08506163f3c736fc
[INFO] documenting iepathos/rust_testing_tutorial against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiepathos%2Frust_testing_tutorial" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iepathos/rust_testing_tutorial on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iepathos/rust_testing_tutorial
[INFO] finished tweaking git repo https://github.com/iepathos/rust_testing_tutorial
[INFO] tweaked toml for git repo https://github.com/iepathos/rust_testing_tutorial written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/iepathos/rust_testing_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757a532f05ad90a20fa5bcd7616998661671d37a40abf4df9baacea88137a16e
[INFO] running `Command { std: "docker" "start" "-a" "757a532f05ad90a20fa5bcd7616998661671d37a40abf4df9baacea88137a16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757a532f05ad90a20fa5bcd7616998661671d37a40abf4df9baacea88137a16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757a532f05ad90a20fa5bcd7616998661671d37a40abf4df9baacea88137a16e", kill_on_drop: false }`
[INFO] [stdout] 757a532f05ad90a20fa5bcd7616998661671d37a40abf4df9baacea88137a16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1dcdd5616187aeec7b7bb331f8bc8c3cec3cbe453372a7208e0b74ad1df689
[INFO] running `Command { std: "docker" "start" "-a" "aa1dcdd5616187aeec7b7bb331f8bc8c3cec3cbe453372a7208e0b74ad1df689", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting testing_tutorial v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/lib.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let result = add_three(5i);
[INFO] [stdout]    |                                ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/lib.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let result = times_four(5i);
[INFO] [stdout]    |                                 ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add_three_times_four(x: int) -> int {
[INFO] [stdout]   |                                ^^^
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                not found in this scope
[INFO] [stdout]   |                                help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add_three_times_four(x: int) -> int {
[INFO] [stdout]   |                                        ^^^
[INFO] [stdout]   |                                        |
[INFO] [stdout]   |                                        not found in this scope
[INFO] [stdout]   |                                        help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn add_three(x: int) -> int { x + 3 }
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 not found in this scope
[INFO] [stdout]   |                 help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn add_three(x: int) -> int { x + 3 }
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         not found in this scope
[INFO] [stdout]   |                         help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn times_four(x: int) -> int { x * 4 }
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  not found in this scope
[INFO] [stdout]   |                  help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/lib.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn times_four(x: int) -> int { x * 4 }
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          not found in this scope
[INFO] [stdout]   |                          help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `testing_tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name testing_tutorial src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "aa1dcdd5616187aeec7b7bb331f8bc8c3cec3cbe453372a7208e0b74ad1df689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1dcdd5616187aeec7b7bb331f8bc8c3cec3cbe453372a7208e0b74ad1df689", kill_on_drop: false }`
[INFO] [stdout] aa1dcdd5616187aeec7b7bb331f8bc8c3cec3cbe453372a7208e0b74ad1df689
