[INFO] fetching crate node-prune 0.0.1...
[INFO] testing node-prune-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate node-prune 0.0.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate node-prune 0.0.1 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 crates.io crate node-prune 0.0.1
[INFO] finished tweaking crates.io crate node-prune 0.0.1
[INFO] tweaked toml for crates.io crate node-prune 0.0.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate node-prune 0.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 8184d7d00ebcf49a56304668c664207e924b98d5590109e278576c8b1d8d7184
[INFO] running `Command { std: "docker" "start" "-a" "8184d7d00ebcf49a56304668c664207e924b98d5590109e278576c8b1d8d7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8184d7d00ebcf49a56304668c664207e924b98d5590109e278576c8b1d8d7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8184d7d00ebcf49a56304668c664207e924b98d5590109e278576c8b1d8d7184", kill_on_drop: false }`
[INFO] [stdout] 8184d7d00ebcf49a56304668c664207e924b98d5590109e278576c8b1d8d7184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd582043eb4416201054900eeb07672e0d0222a2f31339abd61cf6f705fb99f2
[INFO] running `Command { std: "docker" "start" "-a" "bd582043eb4416201054900eeb07672e0d0222a2f31339abd61cf6f705fb99f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling node-prune v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "bd582043eb4416201054900eeb07672e0d0222a2f31339abd61cf6f705fb99f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd582043eb4416201054900eeb07672e0d0222a2f31339abd61cf6f705fb99f2", kill_on_drop: false }`
[INFO] [stdout] bd582043eb4416201054900eeb07672e0d0222a2f31339abd61cf6f705fb99f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2db4180ec65bf26b67669d2cc9c49540177787f2aa8e10d2d4a25da9881d59c
[INFO] running `Command { std: "docker" "start" "-a" "b2db4180ec65bf26b67669d2cc9c49540177787f2aa8e10d2d4a25da9881d59c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling predicates v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling assert_cmd v0.12.0
[INFO] [stderr]    Compiling node-prune v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stdout]  --> tests/cli.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use assert_cmd::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `predicates::prelude::*`
[INFO] [stdout]  --> tests/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use predicates::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "b2db4180ec65bf26b67669d2cc9c49540177787f2aa8e10d2d4a25da9881d59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2db4180ec65bf26b67669d2cc9c49540177787f2aa8e10d2d4a25da9881d59c", kill_on_drop: false }`
[INFO] [stdout] b2db4180ec65bf26b67669d2cc9c49540177787f2aa8e10d2d4a25da9881d59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b52ca06d6e3a0c24d018348cc991414343ebbb0d9a741daff41adb837c7ed34
[INFO] running `Command { std: "docker" "start" "-a" "2b52ca06d6e3a0c24d018348cc991414343ebbb0d9a741daff41adb837c7ed34", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stderr]  --> tests/cli.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use assert_cmd::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `predicates::prelude::*`
[INFO] [stderr]  --> tests/cli.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use predicates::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> tests/cli.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/node_prune-0641227fe9eadc6a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::dir_not_exits ... ok
[INFO] [stdout] test tests::dir_stats_happy_path ... ok
[INFO] [stdout] test tests::split_happypath ... ok
[INFO] [stdout] test tests::split_string_with_consecutive_commas ... ok
[INFO] [stdout] test tests::split_string_with_trim ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/node_prune-c812da952c4f89b5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-84bb0a352f162c72)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test assert_test ... 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 node-prune
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - split (line 259) ... FAILED
[INFO] [stdout] test src/lib.rs - dir_stats (line 231) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - split (line 259) stdout ----
[INFO] [stdout] error: expected type, found `=`
[INFO] [stdout]  --> src/lib.rs:261:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let files:  = split(&path[..]);
[INFO] [stdout]   |     -----   ^ expected type
[INFO] [stdout]   |     |
[INFO] [stdout]   |     while parsing the type for `files`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `split` in this scope
[INFO] [stdout]  --> src/lib.rs:261:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let files:  = split(&path[..]);
[INFO] [stdout]   |               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found built-in attribute `path`
[INFO] [stdout]  --> src/lib.rs:261:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | let files:  = split(&path[..]);
[INFO] [stdout]   |                      ^^^^ help: a local variable with a similar name exists: `paths`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - dir_stats (line 231) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]  --> src/lib.rs:232:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let path = Path::new("src");
[INFO] [stdout]   |            ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `dir_stats` in this scope
[INFO] [stdout]  --> src/lib.rs:233:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stats = dir_stats(path)?;
[INFO] [stdout]   |             ^^^^^^^^^ not found in this scope
[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/lib.rs:233:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_231_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 3 | | let path = Path::new("src");
[INFO] [stdout] 4 | | let stats = dir_stats(path)?;
[INFO] [stdout]   | |                            ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | } _doctest_main_src_lib_rs_231_0() }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433.
[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/lib.rs - dir_stats (line 231)
[INFO] [stdout]     src/lib.rs - split (line 259)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2b52ca06d6e3a0c24d018348cc991414343ebbb0d9a741daff41adb837c7ed34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b52ca06d6e3a0c24d018348cc991414343ebbb0d9a741daff41adb837c7ed34", kill_on_drop: false }`
[INFO] [stdout] 2b52ca06d6e3a0c24d018348cc991414343ebbb0d9a741daff41adb837c7ed34
