[INFO] fetching crate rarity 0.3.0...
[INFO] testing rarity-0.3.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate rarity 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rarity 0.3.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rarity 0.3.0
[INFO] finished tweaking crates.io crate rarity 0.3.0
[INFO] tweaked toml for crates.io crate rarity 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_color_builder v0.1.1
[INFO] [stderr]   Downloaded markdown v1.0.0-alpha.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46d786802a5c61fb78ded9886f948580d04fc9cddbc0b28b76c747d9858094a8
[INFO] running `Command { std: "docker" "start" "-a" "46d786802a5c61fb78ded9886f948580d04fc9cddbc0b28b76c747d9858094a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d786802a5c61fb78ded9886f948580d04fc9cddbc0b28b76c747d9858094a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d786802a5c61fb78ded9886f948580d04fc9cddbc0b28b76c747d9858094a8", kill_on_drop: false }`
[INFO] [stdout] 46d786802a5c61fb78ded9886f948580d04fc9cddbc0b28b76c747d9858094a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04d926b6a0450f5aab080300b98d0c21564469d19a6c9000c7a77d2afe571d4
[INFO] running `Command { std: "docker" "start" "-a" "c04d926b6a0450f5aab080300b98d0c21564469d19a6c9000c7a77d2afe571d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling unicode-id v0.3.4
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling terminal_color_builder v0.1.1
[INFO] [stderr]    Compiling markdown v1.0.0-alpha.17
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
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[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling fancy-regex v0.13.0
[INFO] [stderr]    Compiling rarity v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `identifier` and `count` are never read
[INFO] [stdout]   --> src/word_stats.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct WordResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "c04d926b6a0450f5aab080300b98d0c21564469d19a6c9000c7a77d2afe571d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04d926b6a0450f5aab080300b98d0c21564469d19a6c9000c7a77d2afe571d4", kill_on_drop: false }`
[INFO] [stdout] c04d926b6a0450f5aab080300b98d0c21564469d19a6c9000c7a77d2afe571d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6963a0be844e39b060c3fa59532609ef1571a88ca9f42f8fdde86aeec8b7f8
[INFO] running `Command { std: "docker" "start" "-a" "8e6963a0be844e39b060c3fa59532609ef1571a88ca9f42f8fdde86aeec8b7f8", kill_on_drop: false }`
[INFO] [stdout] warning: fields `identifier` and `count` are never read
[INFO] [stdout]   --> src/word_stats.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct WordResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rarity v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifier` and `count` are never read
[INFO] [stdout]   --> src/word_stats.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct WordResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "8e6963a0be844e39b060c3fa59532609ef1571a88ca9f42f8fdde86aeec8b7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6963a0be844e39b060c3fa59532609ef1571a88ca9f42f8fdde86aeec8b7f8", kill_on_drop: false }`
[INFO] [stdout] 8e6963a0be844e39b060c3fa59532609ef1571a88ca9f42f8fdde86aeec8b7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7be87da036011655f00599de176be3e395c0eca11ffb96328dd90b092a382887
[INFO] running `Command { std: "docker" "start" "-a" "7be87da036011655f00599de176be3e395c0eca11ffb96328dd90b092a382887", kill_on_drop: false }`
[INFO] [stderr] warning: fields `identifier` and `count` are never read
[INFO] [stderr]   --> src/word_stats.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct WordResult {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 18 |     identifier: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 19 |     count: usize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WordResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rarity` (lib) generated 1 warning
[INFO] [stderr] warning: `rarity` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rarity-c79821c65221a3fe)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test pagination::tests::page ... ok
[INFO] [stdout] test pagination::tests::pages ... ok
[INFO] [stdout] test command::tests::command_output ... ok
[INFO] [stdout] test command::tests::command_status ... ok
[INFO] [stdout] test command::tests::command_status_failure ... ok
[INFO] [stdout] test command::tests::unix_status ... ok
[INFO] [stdout] test command::tests::unix_output ... ok
[INFO] [stdout] test command::tests::unix_status_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rarity
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/command/mod.rs - command (line 11) ... FAILED
[INFO] [stdout] test src/command/mod.rs - command (line 23) ... FAILED
[INFO] [stdout] test src/command/mod.rs - command (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/command/mod.rs - command (line 11) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_command` in this scope
[INFO] [stdout]  --> src/command/mod.rs:12:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let status = execute_command("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rarity::command::execute_command;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/command/mod.rs - command (line 23) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_unix_command` in this scope
[INFO] [stdout]  --> src/command/mod.rs:25:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let status = execute_unix_command("ls -la");
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rarity::command::execute_unix_command;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/command/mod.rs - command (line 17) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `execute_command_with_return` in this scope
[INFO] [stdout]  --> src/command/mod.rs:18:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let output = execute_command_with_return("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rarity::command::execute_command_with_return;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/command/mod.rs:19:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_command_mod_rs_17_0() {
[INFO] [stdout]   |                                      ------------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 3 | let output = execute_command_with_return("echo 'Pinkie Pie is best pony!'")?;
[INFO] [stdout] 4 | println!("{}", String::from_utf8(output.stdout)?); // Pinkie Pie is best pony!
[INFO] [stdout]   |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, FromUtf8Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/command/mod.rs - command (line 11)
[INFO] [stdout]     src/command/mod.rs - command (line 17)
[INFO] [stdout]     src/command/mod.rs - command (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7be87da036011655f00599de176be3e395c0eca11ffb96328dd90b092a382887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be87da036011655f00599de176be3e395c0eca11ffb96328dd90b092a382887", kill_on_drop: false }`
[INFO] [stdout] 7be87da036011655f00599de176be3e395c0eca11ffb96328dd90b092a382887
