[INFO] fetching crate stash 0.1.4...
[INFO] testing stash-0.1.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate stash 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate stash 0.1.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b5f40b48beecfcb605cee3f35723364a5ee49bf34d250e9ea21f9408c0ebe6
[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" "d9b5f40b48beecfcb605cee3f35723364a5ee49bf34d250e9ea21f9408c0ebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b5f40b48beecfcb605cee3f35723364a5ee49bf34d250e9ea21f9408c0ebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b5f40b48beecfcb605cee3f35723364a5ee49bf34d250e9ea21f9408c0ebe6", kill_on_drop: false }`
[INFO] [stdout] d9b5f40b48beecfcb605cee3f35723364a5ee49bf34d250e9ea21f9408c0ebe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e355da3dfa56a6cbfc495d893987312ca8f3545d3cc2ea1d26f20f85791b54a
[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" "8e355da3dfa56a6cbfc495d893987312ca8f3545d3cc2ea1d26f20f85791b54a", kill_on_drop: false }`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "8e355da3dfa56a6cbfc495d893987312ca8f3545d3cc2ea1d26f20f85791b54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e355da3dfa56a6cbfc495d893987312ca8f3545d3cc2ea1d26f20f85791b54a", kill_on_drop: false }`
[INFO] [stdout] 8e355da3dfa56a6cbfc495d893987312ca8f3545d3cc2ea1d26f20f85791b54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 5fb9524066d17ecc3fec4cc02a9d774366d0c9c2c914503f10da6ffc8d8b79e8
[INFO] running `Command { std: "docker" "start" "-a" "5fb9524066d17ecc3fec4cc02a9d774366d0c9c2c914503f10da6ffc8d8b79e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[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 14.92s
[INFO] running `Command { std: "docker" "inspect" "5fb9524066d17ecc3fec4cc02a9d774366d0c9c2c914503f10da6ffc8d8b79e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb9524066d17ecc3fec4cc02a9d774366d0c9c2c914503f10da6ffc8d8b79e8", kill_on_drop: false }`
[INFO] [stdout] 5fb9524066d17ecc3fec4cc02a9d774366d0c9c2c914503f10da6ffc8d8b79e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 92e0d4b94170773d499eeb5b9de5a56416b0bb47a59713f0bcf9c13cf8637769
[INFO] running `Command { std: "docker" "start" "-a" "92e0d4b94170773d499eeb5b9de5a56416b0bb47a59713f0bcf9c13cf8637769", 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 /opt/rustwide/target/debug/deps/stash-d8ff3ed19f43260d
[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] [stderr]      Running /opt/rustwide/target/debug/deps/stash-a4c423f257cb0dee
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test clear_zero ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unique_stash-d42bb35a91fbd470
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test no_reuse ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test string_conversions ... 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
[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>::reserve_exact (line 271) ... 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>::with_capacity (line 207) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, usize>::with_capacity (line 170) ... 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>::new (line 185) ... 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, usize>::new (line 143) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::len (line 219) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::capacity (line 236) ... ok
[INFO] [stdout] test src/stash/mod.rs - stash::Stash<V, Ix>::capacity (line 204) ... ok
[INFO] [stdout] test src/unique_stash/mod.rs - unique_stash::UniqueStash<V>::reserve (line 274) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92e0d4b94170773d499eeb5b9de5a56416b0bb47a59713f0bcf9c13cf8637769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e0d4b94170773d499eeb5b9de5a56416b0bb47a59713f0bcf9c13cf8637769", kill_on_drop: false }`
[INFO] [stdout] 92e0d4b94170773d499eeb5b9de5a56416b0bb47a59713f0bcf9c13cf8637769