[INFO] cloning repository https://github.com/ngynkvn/differs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/differs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fdiffers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fdiffers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37eaa53a5b83e0e37aeca4bd521c78ebf28851db
[INFO] testing ngynkvn/differs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fdiffers" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngynkvn/differs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngynkvn/differs
[INFO] finished tweaking git repo https://github.com/ngynkvn/differs
[INFO] tweaked toml for git repo https://github.com/ngynkvn/differs written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/ngynkvn/differs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew v0.18.0
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[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
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[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded gloo v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.77
[INFO] [stderr]   Downloaded gloo-console-timer v0.1.0
[INFO] [stderr]   Downloaded git2 v0.13.22
[INFO] [stderr]   Downloaded web-sys v0.3.54
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8b0dde59893896c59c8fafd1d50b18dbef9a0aa9bb4ff8f6ce2d3f6b54cc3a3
[INFO] running `Command { std: "docker" "start" "-a" "b8b0dde59893896c59c8fafd1d50b18dbef9a0aa9bb4ff8f6ce2d3f6b54cc3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b0dde59893896c59c8fafd1d50b18dbef9a0aa9bb4ff8f6ce2d3f6b54cc3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b0dde59893896c59c8fafd1d50b18dbef9a0aa9bb4ff8f6ce2d3f6b54cc3a3", kill_on_drop: false }`
[INFO] [stdout] b8b0dde59893896c59c8fafd1d50b18dbef9a0aa9bb4ff8f6ce2d3f6b54cc3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53173a6ca0faca2ba1f18106a363b0590a40292787364af5be50f6db54060f91
[INFO] running `Command { std: "docker" "start" "-a" "53173a6ca0faca2ba1f18106a363b0590a40292787364af5be50f6db54060f91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling cfg-match v0.2.1
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling git2 v0.13.22
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling yew-macro v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.27
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling gloo-events v0.1.1
[INFO] [stderr]    Compiling gloo-console-timer v0.1.0
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling gloo-file v0.1.0
[INFO] [stderr]    Compiling gloo v0.2.1
[INFO] [stderr]    Compiling webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/bin/repo.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[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/bin/repo.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stdout] 31 | |                 println!("Hunk: {:?}", String::from_utf8_lossy(hunk.map(|h| h.header()).unwrap_or_default()));
[INFO] [stdout] 32 | |                 println!("Line: {:?}", String::from_utf8_lossy(line.content()));
[INFO] [stdout] 33 | |                 true
[INFO] [stdout] 34 | |             });
[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 1m 32s
[INFO] running `Command { std: "docker" "inspect" "53173a6ca0faca2ba1f18106a363b0590a40292787364af5be50f6db54060f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53173a6ca0faca2ba1f18106a363b0590a40292787364af5be50f6db54060f91", kill_on_drop: false }`
[INFO] [stdout] 53173a6ca0faca2ba1f18106a363b0590a40292787364af5be50f6db54060f91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0f50c148111ef2828ef1f3926da66049f0fdf6230806503e5150fda8193b0a
[INFO] running `Command { std: "docker" "start" "-a" "4a0f50c148111ef2828ef1f3926da66049f0fdf6230806503e5150fda8193b0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]   --> src/bin/repo.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[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/bin/repo.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stdout] 31 | |                 println!("Hunk: {:?}", String::from_utf8_lossy(hunk.map(|h| h.header()).unwrap_or_default()));
[INFO] [stdout] 32 | |                 println!("Line: {:?}", String::from_utf8_lossy(line.content()));
[INFO] [stdout] 33 | |                 true
[INFO] [stdout] 34 | |             });
[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 5.73s
[INFO] running `Command { std: "docker" "inspect" "4a0f50c148111ef2828ef1f3926da66049f0fdf6230806503e5150fda8193b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0f50c148111ef2828ef1f3926da66049f0fdf6230806503e5150fda8193b0a", kill_on_drop: false }`
[INFO] [stdout] 4a0f50c148111ef2828ef1f3926da66049f0fdf6230806503e5150fda8193b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52ca35b2b4cf317f985df46972068016623c1af37e72142724f74557ac247558
[INFO] running `Command { std: "docker" "start" "-a" "52ca35b2b4cf317f985df46972068016623c1af37e72142724f74557ac247558", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]   --> src/bin/repo.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stderr]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[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/bin/repo.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 | /             diff.print(DiffFormat::Patch, |delta, hunk, line| {
[INFO] [stderr] 31 | |                 println!("Hunk: {:?}", String::from_utf8_lossy(hunk.map(|h| h.header()).unwrap_or_default()));
[INFO] [stderr] 32 | |                 println!("Line: {:?}", String::from_utf8_lossy(line.content()));
[INFO] [stderr] 33 | |                 true
[INFO] [stderr] 34 | |             });
[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: `webapp` (bin "repo" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-b2950b2bedf0fbc1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/repo-23f742da73b7ff3a)
[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] [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" "52ca35b2b4cf317f985df46972068016623c1af37e72142724f74557ac247558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ca35b2b4cf317f985df46972068016623c1af37e72142724f74557ac247558", kill_on_drop: false }`
[INFO] [stdout] 52ca35b2b4cf317f985df46972068016623c1af37e72142724f74557ac247558