[INFO] cloning repository https://github.com/Ran4/mtg-cardlisting-detect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ran4/mtg-cardlisting-detect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRan4%2Fmtg-cardlisting-detect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRan4%2Fmtg-cardlisting-detect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b995bbf512828d69622e3ef581b47eaf770d9f42
[INFO] testing Ran4/mtg-cardlisting-detect/b995bbf512828d69622e3ef581b47eaf770d9f42 against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRan4%2Fmtg-cardlisting-detect" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ran4/mtg-cardlisting-detect
[INFO] finished tweaking git repo https://github.com/Ran4/mtg-cardlisting-detect
[INFO] tweaked toml for git repo https://github.com/Ran4/mtg-cardlisting-detect written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ran4/mtg-cardlisting-detect on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ran4/mtg-cardlisting-detect already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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 memchr v2.3.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cee8f33196aa99b5f733a8dd37cd1d39403e37be46b55e0a6c271b7d4289888d
[INFO] running `Command { std: "docker" "start" "-a" "cee8f33196aa99b5f733a8dd37cd1d39403e37be46b55e0a6c271b7d4289888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee8f33196aa99b5f733a8dd37cd1d39403e37be46b55e0a6c271b7d4289888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee8f33196aa99b5f733a8dd37cd1d39403e37be46b55e0a6c271b7d4289888d", kill_on_drop: false }`
[INFO] [stdout] cee8f33196aa99b5f733a8dd37cd1d39403e37be46b55e0a6c271b7d4289888d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5514b66731a6f4979fe13f31c84ea5877ba1951268f5c7630f809c5bc184654f
[INFO] running `Command { std: "docker" "start" "-a" "5514b66731a6f4979fe13f31c84ea5877ba1951268f5c7630f809c5bc184654f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling mdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&usize` instead of cloning the inner type
[INFO] [stdout]   --> src/main.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 .max_by_key(|(_format, count)| count.clone())
[INFO] [stdout]    |                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "5514b66731a6f4979fe13f31c84ea5877ba1951268f5c7630f809c5bc184654f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5514b66731a6f4979fe13f31c84ea5877ba1951268f5c7630f809c5bc184654f", kill_on_drop: false }`
[INFO] [stdout] 5514b66731a6f4979fe13f31c84ea5877ba1951268f5c7630f809c5bc184654f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 659bb6dce618dc83d2e6bb24e7a4b9d69fc9414339a56bacd339ca2281f11237
[INFO] running `Command { std: "docker" "start" "-a" "659bb6dce618dc83d2e6bb24e7a4b9d69fc9414339a56bacd339ca2281f11237", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&usize` instead of cloning the inner type
[INFO] [stdout]   --> src/main.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 .max_by_key(|(_format, count)| count.clone())
[INFO] [stdout]    |                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "659bb6dce618dc83d2e6bb24e7a4b9d69fc9414339a56bacd339ca2281f11237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659bb6dce618dc83d2e6bb24e7a4b9d69fc9414339a56bacd339ca2281f11237", kill_on_drop: false }`
[INFO] [stdout] 659bb6dce618dc83d2e6bb24e7a4b9d69fc9414339a56bacd339ca2281f11237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f7af734956112c27e764fa723d620a3e4176d93c8f4ccddf1a9ba346ee1dc2e
[INFO] running `Command { std: "docker" "start" "-a" "8f7af734956112c27e764fa723d620a3e4176d93c8f4ccddf1a9ba346ee1dc2e", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&usize` instead of cloning the inner type
[INFO] [stderr]   --> src/main.rs:46:53
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 .max_by_key(|(_format, count)| count.clone())
[INFO] [stderr]    |                                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mdiff` (bin "mdiff" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdiff-c344bfce3ce74f84)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_detect_number_and_x ... ok
[INFO] [stdout] test tests::test_detect_number ... ok
[INFO] [stdout] test tests::test_detect_plain ... ok
[INFO] [stdout] test tests::test_detect_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f7af734956112c27e764fa723d620a3e4176d93c8f4ccddf1a9ba346ee1dc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7af734956112c27e764fa723d620a3e4176d93c8f4ccddf1a9ba346ee1dc2e", kill_on_drop: false }`
[INFO] [stdout] 8f7af734956112c27e764fa723d620a3e4176d93c8f4ccddf1a9ba346ee1dc2e