[INFO] cloning repository https://github.com/Exactor96/rust-ftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Exactor96/rust-ftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExactor96%2Frust-ftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExactor96%2Frust-ftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2c839ea17be39f0fce2dfefccc3cf334d95aa75
[INFO] testing Exactor96/rust-ftp against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExactor96%2Frust-ftp" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Exactor96/rust-ftp on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Exactor96/rust-ftp
[INFO] finished tweaking git repo https://github.com/Exactor96/rust-ftp
[INFO] tweaked toml for git repo https://github.com/Exactor96/rust-ftp written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/Exactor96/rust-ftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quanta v0.9.3
[INFO] [stderr]   Downloaded rusticata-macros v4.0.0
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[INFO] [stderr]   Downloaded libunftp v0.18.1
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded prometheus v0.12.0
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[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded moka v0.6.1
[INFO] [stderr]   Downloaded der-parser v6.0.0
[INFO] [stderr]   Downloaded slog-stdlog v4.1.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf73e4f0a3268f3d8bf8e04589bcf835818b441034ba57156781049d62b5d1ea
[INFO] running `Command { std: "docker" "start" "-a" "bf73e4f0a3268f3d8bf8e04589bcf835818b441034ba57156781049d62b5d1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf73e4f0a3268f3d8bf8e04589bcf835818b441034ba57156781049d62b5d1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf73e4f0a3268f3d8bf8e04589bcf835818b441034ba57156781049d62b5d1ea", kill_on_drop: false }`
[INFO] [stdout] bf73e4f0a3268f3d8bf8e04589bcf835818b441034ba57156781049d62b5d1ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3d5c242b85b7fe9bfdfa093aa17553612ef8b71e07a815bfeade0c03cb7b7a
[INFO] running `Command { std: "docker" "start" "-a" "be3d5c242b85b7fe9bfdfa093aa17553612ef8b71e07a815bfeade0c03cb7b7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.105
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[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]    Compiling spin v0.5.2
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[INFO] [stderr]    Compiling oid-registry v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling arc-swap v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling moka v0.6.1
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[INFO] [stderr]    Compiling data-encoding v2.3.2
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[INFO] [stderr]    Compiling std_prelude v0.2.12
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[INFO] [stderr]    Compiling raw-cpuid v10.2.0
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling tokio v1.12.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling slog-stdlog v4.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling moka-cht v0.4.2
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling rusticata-macros v4.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling der-oid-macro v0.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling der-parser v6.0.0
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proxy-protocol v0.3.0
[INFO] [stderr]    Compiling x509-parser v0.12.0
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling libunftp v0.18.1
[INFO] [stderr]    Compiling path_abs v0.5.1
[INFO] [stderr]    Compiling unftp-sbe-fs v0.2.0
[INFO] [stderr]    Compiling rust-ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `writable`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let writable = matches.is_present("write");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     server.listen(server_string).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "be3d5c242b85b7fe9bfdfa093aa17553612ef8b71e07a815bfeade0c03cb7b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3d5c242b85b7fe9bfdfa093aa17553612ef8b71e07a815bfeade0c03cb7b7a", kill_on_drop: false }`
[INFO] [stdout] be3d5c242b85b7fe9bfdfa093aa17553612ef8b71e07a815bfeade0c03cb7b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a19b413f10a1c5b7d63ef1afe034dd420ca2394413dba1bb21d2a7c97ee27d
[INFO] running `Command { std: "docker" "start" "-a" "c1a19b413f10a1c5b7d63ef1afe034dd420ca2394413dba1bb21d2a7c97ee27d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `writable`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let writable = matches.is_present("write");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     server.listen(server_string).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_ftp-068347d43aa5b7d8)
[INFO] running `Command { std: "docker" "inspect" "c1a19b413f10a1c5b7d63ef1afe034dd420ca2394413dba1bb21d2a7c97ee27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a19b413f10a1c5b7d63ef1afe034dd420ca2394413dba1bb21d2a7c97ee27d", kill_on_drop: false }`
[INFO] [stdout] c1a19b413f10a1c5b7d63ef1afe034dd420ca2394413dba1bb21d2a7c97ee27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8868f60d7528e0e882291547a168179cec570a4f175935c4aeaa2ad3f857ff0
[INFO] running `Command { std: "docker" "start" "-a" "e8868f60d7528e0e882291547a168179cec570a4f175935c4aeaa2ad3f857ff0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `writable`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let writable = matches.is_present("write");
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     server.listen(server_string).await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ftp` (bin "rust-ftp" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_ftp-068347d43aa5b7d8)
[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" "e8868f60d7528e0e882291547a168179cec570a4f175935c4aeaa2ad3f857ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8868f60d7528e0e882291547a168179cec570a4f175935c4aeaa2ad3f857ff0", kill_on_drop: false }`
[INFO] [stdout] e8868f60d7528e0e882291547a168179cec570a4f175935c4aeaa2ad3f857ff0