[INFO] fetching crate stash 0.1.4...
[INFO] testing stash-0.1.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate stash 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stash 0.1.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stash 0.1.4
[INFO] finished tweaking crates.io crate stash 0.1.4
[INFO] tweaked toml for crates.io crate stash 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate stash 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b7cc8dfb4bc26e86d6182658bde9f7550b6968ad50bc68532ab19a59f847f61
[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" "9b7cc8dfb4bc26e86d6182658bde9f7550b6968ad50bc68532ab19a59f847f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b7cc8dfb4bc26e86d6182658bde9f7550b6968ad50bc68532ab19a59f847f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7cc8dfb4bc26e86d6182658bde9f7550b6968ad50bc68532ab19a59f847f61", kill_on_drop: false }`
[INFO] [stdout] 9b7cc8dfb4bc26e86d6182658bde9f7550b6968ad50bc68532ab19a59f847f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4597f2148f1b68f051fccf8d63c335445b1015051f3e7bea9cd13e963acd8eda
[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" "4597f2148f1b68f051fccf8d63c335445b1015051f3e7bea9cd13e963acd8eda", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling stash v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unique_stash/mod.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4597f2148f1b68f051fccf8d63c335445b1015051f3e7bea9cd13e963acd8eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4597f2148f1b68f051fccf8d63c335445b1015051f3e7bea9cd13e963acd8eda", kill_on_drop: false }`
[INFO] [stdout] 4597f2148f1b68f051fccf8d63c335445b1015051f3e7bea9cd13e963acd8eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] c17e11a5105c378580fb35330be5505a9f9acb7e60154c4af10553b650a5562a
[INFO] running `Command { std: "docker" "start" "-a" "c17e11a5105c378580fb35330be5505a9f9acb7e60154c4af10553b650a5562a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unique_stash/mod.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling stash v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unique_stash/mod.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 7.49s
[INFO] running `Command { std: "docker" "inspect" "c17e11a5105c378580fb35330be5505a9f9acb7e60154c4af10553b650a5562a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17e11a5105c378580fb35330be5505a9f9acb7e60154c4af10553b650a5562a", kill_on_drop: false }`
[INFO] [stdout] c17e11a5105c378580fb35330be5505a9f9acb7e60154c4af10553b650a5562a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83282042808b53f5db85dd3ca69c1e4f0e046251c1bfcaeacf56befd1688d10e
[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" "83282042808b53f5db85dd3ca69c1e4f0e046251c1bfcaeacf56befd1688d10e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/unique_stash/mod.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/unique_stash/mod.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stash-dfdb87f1f291954e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stash.rs (/opt/rustwide/target/debug/deps/stash-1b8885190fa66e64)
[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 3 tests
[INFO] [stdout] test get ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test clear_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unique_stash.rs (/opt/rustwide/target/debug/deps/unique_stash-44f9be5b33b8b8d2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test get ... ok
[INFO] [stdout] test no_reuse ... ok
[INFO] [stdout] test string_conversions ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test string_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stash
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::len (line 219) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, usize>::new (line 143) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::capacity (line 236) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::with_capacity (line 207) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::new (line 185) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, usize>::with_capacity (line 170) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::reserve_exact (line 303) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::reserve (line 242) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::len (line 251) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::reserve (line 274) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::capacity (line 204) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::reserve_exact (line 271) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83282042808b53f5db85dd3ca69c1e4f0e046251c1bfcaeacf56befd1688d10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83282042808b53f5db85dd3ca69c1e4f0e046251c1bfcaeacf56befd1688d10e", kill_on_drop: false }`
[INFO] [stdout] 83282042808b53f5db85dd3ca69c1e4f0e046251c1bfcaeacf56befd1688d10e