[INFO] fetching crate algo_sorting 0.0.2...
[INFO] testing algo_sorting-0.0.2 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate algo_sorting 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate algo_sorting 0.0.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algo_sorting 0.0.2
[INFO] finished tweaking crates.io crate algo_sorting 0.0.2
[INFO] tweaked toml for crates.io crate algo_sorting 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9236833a4852d02b893fe1f6bcdb76c7daed952a13e25e538877cbdcae1145e4
[INFO] running `Command { std: "docker" "start" "-a" "9236833a4852d02b893fe1f6bcdb76c7daed952a13e25e538877cbdcae1145e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9236833a4852d02b893fe1f6bcdb76c7daed952a13e25e538877cbdcae1145e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9236833a4852d02b893fe1f6bcdb76c7daed952a13e25e538877cbdcae1145e4", kill_on_drop: false }`
[INFO] [stdout] 9236833a4852d02b893fe1f6bcdb76c7daed952a13e25e538877cbdcae1145e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b24437a727f6b0262ad9a07b282b34dfd610c246ee4fc954ecb1239a99f560bb
[INFO] running `Command { std: "docker" "start" "-a" "b24437a727f6b0262ad9a07b282b34dfd610c246ee4fc954ecb1239a99f560bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling algo_sorting v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn bubble_sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b24437a727f6b0262ad9a07b282b34dfd610c246ee4fc954ecb1239a99f560bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24437a727f6b0262ad9a07b282b34dfd610c246ee4fc954ecb1239a99f560bb", kill_on_drop: false }`
[INFO] [stdout] b24437a727f6b0262ad9a07b282b34dfd610c246ee4fc954ecb1239a99f560bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e08c793f4e3930fe202b9abb393234b4baac92c61be40fc0b8305848d73870
[INFO] running `Command { std: "docker" "start" "-a" "26e08c793f4e3930fe202b9abb393234b4baac92c61be40fc0b8305848d73870", kill_on_drop: false }`
[INFO] [stderr]    Compiling algo_sorting v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn bubble_sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "26e08c793f4e3930fe202b9abb393234b4baac92c61be40fc0b8305848d73870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e08c793f4e3930fe202b9abb393234b4baac92c61be40fc0b8305848d73870", kill_on_drop: false }`
[INFO] [stdout] 26e08c793f4e3930fe202b9abb393234b4baac92c61be40fc0b8305848d73870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d8be2da6110a9d9719050fd28a0b9ba623523352f65b8a9f3135453491aa3ac
[INFO] running `Command { std: "docker" "start" "-a" "1d8be2da6110a9d9719050fd28a0b9ba623523352f65b8a9f3135453491aa3ac", kill_on_drop: false }`
[INFO] [stderr] warning: function `bubble_sort` is never used
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn bubble_sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algo_sorting` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algo_sorting-2896701b4ae230de)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::bubble ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algo_sorting
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - bubble_sort (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - bubble_sort (line 5) stdout ----
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | ```///
[INFO] [stdout]   | ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: character appears 2 more times
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 7 | '''///
[INFO] [stdout]   | ~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything
[INFO] [stdout]  --> src/lib.rs:10:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | ```///
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: doc comments must come before what they document, if a comment was intended use `//`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `bubble_sort` in this scope
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert_eq!(bubble_sort(arg), answer);
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0585.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - bubble_sort (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1d8be2da6110a9d9719050fd28a0b9ba623523352f65b8a9f3135453491aa3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8be2da6110a9d9719050fd28a0b9ba623523352f65b8a9f3135453491aa3ac", kill_on_drop: false }`
[INFO] [stdout] 1d8be2da6110a9d9719050fd28a0b9ba623523352f65b8a9f3135453491aa3ac
