[INFO] cloning repository https://github.com/himanoa/diffhunk-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/himanoa/diffhunk-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa%2Fdiffhunk-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa%2Fdiffhunk-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54e4030ce23581b4a311a219bf9fd64c1fd28103
[INFO] testing himanoa/diffhunk-playground against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhimanoa%2Fdiffhunk-playground" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/himanoa/diffhunk-playground on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/himanoa/diffhunk-playground
[INFO] finished tweaking git repo https://github.com/himanoa/diffhunk-playground
[INFO] tweaked toml for git repo https://github.com/himanoa/diffhunk-playground written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/himanoa/diffhunk-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e4e8d01bb256c902737fbb0c2908d51d75202cddce40869c2ec487d945bbfa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1e4e8d01bb256c902737fbb0c2908d51d75202cddce40869c2ec487d945bbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e4e8d01bb256c902737fbb0c2908d51d75202cddce40869c2ec487d945bbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e4e8d01bb256c902737fbb0c2908d51d75202cddce40869c2ec487d945bbfa", kill_on_drop: false }`
[INFO] [stdout] a1e4e8d01bb256c902737fbb0c2908d51d75202cddce40869c2ec487d945bbfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a52e1154f621e861e244635eb66f016d27b0f69f0394407f2bdfb33fd4af47f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a52e1154f621e861e244635eb66f016d27b0f69f0394407f2bdfb33fd4af47f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]    Compiling git2 v0.13.11
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]    Compiling structopt v0.3.19
[INFO] [stderr]    Compiling diffhunk-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Blob`, `Error`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2::{Repository, Blob, Error, BranchType, Oid, DiffHunk};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | /                 repo.diff_blobs(
[INFO] [stdout] 29 | |                     None,
[INFO] [stdout] 30 | |                     None,
[INFO] [stdout] 31 | |                     Some(&blob),
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |                     None
[INFO] [stdout] 38 | |                 );
[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 48.37s
[INFO] running `Command { std: "docker" "inspect" "5a52e1154f621e861e244635eb66f016d27b0f69f0394407f2bdfb33fd4af47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a52e1154f621e861e244635eb66f016d27b0f69f0394407f2bdfb33fd4af47f", kill_on_drop: false }`
[INFO] [stdout] 5a52e1154f621e861e244635eb66f016d27b0f69f0394407f2bdfb33fd4af47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e23a77eef5cc3ac00014db16d5b9783a37be1e1900c36577f7b8d7ff4f32ce12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e23a77eef5cc3ac00014db16d5b9783a37be1e1900c36577f7b8d7ff4f32ce12", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffhunk-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Blob`, `Error`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2::{Repository, Blob, Error, BranchType, Oid, DiffHunk};
[INFO] [stdout]   |                        ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | /                 repo.diff_blobs(
[INFO] [stdout] 29 | |                     None,
[INFO] [stdout] 30 | |                     None,
[INFO] [stdout] 31 | |                     Some(&blob),
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |                     None
[INFO] [stdout] 38 | |                 );
[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 1.22s
[INFO] running `Command { std: "docker" "inspect" "e23a77eef5cc3ac00014db16d5b9783a37be1e1900c36577f7b8d7ff4f32ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23a77eef5cc3ac00014db16d5b9783a37be1e1900c36577f7b8d7ff4f32ce12", kill_on_drop: false }`
[INFO] [stdout] e23a77eef5cc3ac00014db16d5b9783a37be1e1900c36577f7b8d7ff4f32ce12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6255c83a781d6eeb3122ab8856d2f3d7fd8857b651694cd88bb35f6c2dec031
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6255c83a781d6eeb3122ab8856d2f3d7fd8857b651694cd88bb35f6c2dec031", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Blob`, `Error`
[INFO] [stderr]  --> src/main.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use git2::{Repository, Blob, Error, BranchType, Oid, DiffHunk};
[INFO] [stderr]   |                        ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 | /                 repo.diff_blobs(
[INFO] [stderr] 29 | |                     None,
[INFO] [stderr] 30 | |                     None,
[INFO] [stderr] 31 | |                     Some(&blob),
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |                     None
[INFO] [stderr] 38 | |                 );
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diffhunk_playground-a7388b719da44b1b)
[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" "a6255c83a781d6eeb3122ab8856d2f3d7fd8857b651694cd88bb35f6c2dec031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6255c83a781d6eeb3122ab8856d2f3d7fd8857b651694cd88bb35f6c2dec031", kill_on_drop: false }`
[INFO] [stdout] a6255c83a781d6eeb3122ab8856d2f3d7fd8857b651694cd88bb35f6c2dec031