[INFO] fetching crate git-absorb 0.6.6...
[INFO] testing git-absorb-0.6.6 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate git-absorb 0.6.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate git-absorb 0.6.6 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-absorb 0.6.6
[INFO] finished tweaking crates.io crate git-absorb 0.6.6
[INFO] tweaked toml for crates.io crate git-absorb 0.6.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate git-absorb 0.6.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded slog-async v2.5.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.13
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded slog v2.5.2
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded git2 v0.13.11
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97867a7b034bf48dbb70865766d5238c4b396dab0ac7a5ed3ef26704a897636e
[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" "97867a7b034bf48dbb70865766d5238c4b396dab0ac7a5ed3ef26704a897636e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97867a7b034bf48dbb70865766d5238c4b396dab0ac7a5ed3ef26704a897636e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97867a7b034bf48dbb70865766d5238c4b396dab0ac7a5ed3ef26704a897636e", kill_on_drop: false }`
[INFO] [stdout] 97867a7b034bf48dbb70865766d5238c4b396dab0ac7a5ed3ef26704a897636e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51daaca136f58f898d6bae54fb71e7e3a01650cdbbb47a755232382b5fd72154
[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" "51daaca136f58f898d6bae54fb71e7e3a01650cdbbb47a755232382b5fd72154", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling git2 v0.13.11
[INFO] [stderr]    Compiling git-absorb v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     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 33.85s
[INFO] running `Command { std: "docker" "inspect" "51daaca136f58f898d6bae54fb71e7e3a01650cdbbb47a755232382b5fd72154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51daaca136f58f898d6bae54fb71e7e3a01650cdbbb47a755232382b5fd72154", kill_on_drop: false }`
[INFO] [stdout] 51daaca136f58f898d6bae54fb71e7e3a01650cdbbb47a755232382b5fd72154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d087f006975fdfa73300488013ad5044b2f41972a9a49a267d26f8f39285bc
[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" "90d087f006975fdfa73300488013ad5044b2f41972a9a49a267d26f8f39285bc", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     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 getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling git-absorb v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `by_old`
[INFO] [stdout]   --> src/owned.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     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 7.37s
[INFO] running `Command { std: "docker" "inspect" "90d087f006975fdfa73300488013ad5044b2f41972a9a49a267d26f8f39285bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d087f006975fdfa73300488013ad5044b2f41972a9a49a267d26f8f39285bc", kill_on_drop: false }`
[INFO] [stdout] 90d087f006975fdfa73300488013ad5044b2f41972a9a49a267d26f8f39285bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 785ef569db91f7bf3bd0e32567511a87bed796437fbefa96a2e034f6e614da47
[INFO] running `Command { std: "docker" "start" "-a" "785ef569db91f7bf3bd0e32567511a87bed796437fbefa96a2e034f6e614da47", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `by_old`
[INFO] [stdout] running 9 tests
[INFO] [stderr]   --> src/owned.rs:45:12
[INFO] [stdout] test commute::tests::test_commute_patch ... ok
[INFO] [stderr]    |
[INFO] [stdout] test commute::tests::test_commute ... ok
[INFO] [stderr] 45 |     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: `git-absorb` (lib) generated 1 warning
[INFO] [stderr] warning: `git-absorb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_absorb-6e731b3d54036b7b)
[INFO] [stdout] test commute::tests::test_commute_trivial_remove ... ok
[INFO] [stdout] test commute::tests::test_commute_trivial_add ... ok
[INFO] [stdout] test stack::tests::test_stack_hides_other_branches ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_absorb-c3af04365cd191cd)
[INFO] [stdout] test stack::tests::test_stack_uses_custom_base ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_foreign_author ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_configured_limit ... ok
[INFO] [stdout] test stack::tests::test_stack_stops_at_merges ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests git-absorb
[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] [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" "785ef569db91f7bf3bd0e32567511a87bed796437fbefa96a2e034f6e614da47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785ef569db91f7bf3bd0e32567511a87bed796437fbefa96a2e034f6e614da47", kill_on_drop: false }`
[INFO] [stdout] 785ef569db91f7bf3bd0e32567511a87bed796437fbefa96a2e034f6e614da47