[INFO] cloning repository https://github.com/Syke8/file_crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syke8/file_crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b7bb895bffdf4b48a2e64615448b21ba6d4a60
[INFO] testing Syke8/file_crawler against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syke8/file_crawler on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Syke8/file_crawler
[INFO] finished tweaking git repo https://github.com/Syke8/file_crawler
[INFO] tweaked toml for git repo https://github.com/Syke8/file_crawler written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Syke8/file_crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f91f8a3bd03b99657ae29929b6b927f5e4657b3a0742f08c13c9d8b11069f8a3
[INFO] running `Command { std: "docker" "start" "-a" "f91f8a3bd03b99657ae29929b6b927f5e4657b3a0742f08c13c9d8b11069f8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91f8a3bd03b99657ae29929b6b927f5e4657b3a0742f08c13c9d8b11069f8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91f8a3bd03b99657ae29929b6b927f5e4657b3a0742f08c13c9d8b11069f8a3", kill_on_drop: false }`
[INFO] [stdout] f91f8a3bd03b99657ae29929b6b927f5e4657b3a0742f08c13c9d8b11069f8a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a87c61d8492ba201ee7fb78eaf8186fe9e82c1a15b66f3072e8accdf230b3f0
[INFO] running `Command { std: "docker" "start" "-a" "7a87c61d8492ba201ee7fb78eaf8186fe9e82c1a15b66f3072e8accdf230b3f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling file_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `map::Entry`
[INFO] [stdout]   --> src/main.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_json::{map::Entry, Value};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 80 | 
[INFO] [stdout] 81 |     let folders: HashSet<String>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Removed`
[INFO] [stdout]    --> src/main.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     Removed,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SizeChange`
[INFO] [stdout]    --> src/main.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SizeChange,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "7a87c61d8492ba201ee7fb78eaf8186fe9e82c1a15b66f3072e8accdf230b3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a87c61d8492ba201ee7fb78eaf8186fe9e82c1a15b66f3072e8accdf230b3f0", kill_on_drop: false }`
[INFO] [stdout] 7a87c61d8492ba201ee7fb78eaf8186fe9e82c1a15b66f3072e8accdf230b3f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c009a4bf18389c9fb58e91c87adfa87d28f75cc1e80864abb835e11d0f4b7977
[INFO] running `Command { std: "docker" "start" "-a" "c009a4bf18389c9fb58e91c87adfa87d28f75cc1e80864abb835e11d0f4b7977", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling file_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `map::Entry`
[INFO] [stdout]   --> src/main.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_json::{map::Entry, Value};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 80 | 
[INFO] [stdout] 81 |     let folders: HashSet<String>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Removed`
[INFO] [stdout]    --> src/main.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     Removed,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SizeChange`
[INFO] [stdout]    --> src/main.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SizeChange,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "c009a4bf18389c9fb58e91c87adfa87d28f75cc1e80864abb835e11d0f4b7977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c009a4bf18389c9fb58e91c87adfa87d28f75cc1e80864abb835e11d0f4b7977", kill_on_drop: false }`
[INFO] [stdout] c009a4bf18389c9fb58e91c87adfa87d28f75cc1e80864abb835e11d0f4b7977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50f1c65bf9593f43caf443b8f929d7fe6d7893523d22ee445f220c9f505da0ee
[INFO] running `Command { std: "docker" "start" "-a" "50f1c65bf9593f43caf443b8f929d7fe6d7893523d22ee445f220c9f505da0ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `map::Entry`
[INFO] [stderr]   --> src/main.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 | use serde_json::{map::Entry, Value};
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     return;
[INFO] [stderr]    |     ------ any code following this expression is unreachable
[INFO] [stderr] 80 | 
[INFO] [stderr] 81 |     let folders: HashSet<String>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Removed`
[INFO] [stderr]    --> src/main.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     Removed,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SizeChange`
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     SizeChange,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `file_crawler` (bin "file_crawler" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_crawler-f1b9e2f604fb801a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50f1c65bf9593f43caf443b8f929d7fe6d7893523d22ee445f220c9f505da0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f1c65bf9593f43caf443b8f929d7fe6d7893523d22ee445f220c9f505da0ee", kill_on_drop: false }`
[INFO] [stdout] 50f1c65bf9593f43caf443b8f929d7fe6d7893523d22ee445f220c9f505da0ee