[INFO] crate git-absorb 0.6.3 is already in cache
[INFO] testing git-absorb-0.6.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate git-absorb 0.6.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate git-absorb 0.6.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-absorb 0.6.3
[INFO] finished tweaking crates.io crate git-absorb 0.6.3
[INFO] tweaked toml for crates.io crate git-absorb 0.6.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate git-absorb 0.6.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56a0cff1e36914e338a155e124183ee94ea94af8d17ea1a0404cae6e58639a0
[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" "c56a0cff1e36914e338a155e124183ee94ea94af8d17ea1a0404cae6e58639a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56a0cff1e36914e338a155e124183ee94ea94af8d17ea1a0404cae6e58639a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56a0cff1e36914e338a155e124183ee94ea94af8d17ea1a0404cae6e58639a0", kill_on_drop: false }`
[INFO] [stdout] c56a0cff1e36914e338a155e124183ee94ea94af8d17ea1a0404cae6e58639a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98cee48b996785663ad7950c1464f6902bec984e4a74d4b47d382998649b516a
[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" "98cee48b996785663ad7950c1464f6902bec984e4a74d4b47d382998649b516a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling libgit2-sys v0.8.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling git2 v0.9.1
[INFO] [stderr]    Compiling git-absorb v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn by_old(&self, path: &[u8]) -> Option<&Patch> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "98cee48b996785663ad7950c1464f6902bec984e4a74d4b47d382998649b516a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cee48b996785663ad7950c1464f6902bec984e4a74d4b47d382998649b516a", kill_on_drop: false }`
[INFO] [stdout] 98cee48b996785663ad7950c1464f6902bec984e4a74d4b47d382998649b516a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5088b1fa6fdbda125df5d6a5b77ecafd615c0982574f57a731d6b6b33b1555a
[INFO] running `Command { std: "docker" "start" "-a" "c5088b1fa6fdbda125df5d6a5b77ecafd615c0982574f57a731d6b6b33b1555a", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn by_old(&self, path: &[u8]) -> Option<&Patch> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling git-absorb v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn by_old(&self, path: &[u8]) -> Option<&Patch> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "c5088b1fa6fdbda125df5d6a5b77ecafd615c0982574f57a731d6b6b33b1555a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5088b1fa6fdbda125df5d6a5b77ecafd615c0982574f57a731d6b6b33b1555a", kill_on_drop: false }`
[INFO] [stdout] c5088b1fa6fdbda125df5d6a5b77ecafd615c0982574f57a731d6b6b33b1555a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d6833a91ff6d61537354344c13f20285eb2578a73966026d514db3d4f1be4dc
[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" "9d6833a91ff6d61537354344c13f20285eb2578a73966026d514db3d4f1be4dc", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `by_old`
[INFO] [stderr]   --> src/owned.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn by_old(&self, path: &[u8]) -> Option<&Patch> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `by_old`
[INFO] [stderr]   --> src/owned.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn by_old(&self, path: &[u8]) -> Option<&Patch> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/git_absorb-0c47f9659573a2b3
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test commute::tests::test_commute ... ok
[INFO] [stdout] test commute::tests::test_commute_patch ... ok
[INFO] [stdout] test commute::tests::test_commute_interleave ... ok
[INFO] [stdout] test stack::tests::test_stack_hides_other_branches ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_foreign_author ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_merges ... ok
[INFO] [stdout] test stack::tests::test_stack_uses_custom_base ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_configured_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/git_absorb-1c50834e79c92787
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests git-absorb
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d6833a91ff6d61537354344c13f20285eb2578a73966026d514db3d4f1be4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6833a91ff6d61537354344c13f20285eb2578a73966026d514db3d4f1be4dc", kill_on_drop: false }`
[INFO] [stdout] 9d6833a91ff6d61537354344c13f20285eb2578a73966026d514db3d4f1be4dc