[INFO] fetching crate qp-trie 0.7.7...
[INFO] testing qp-trie-0.7.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate qp-trie 0.7.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qp-trie 0.7.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qp-trie 0.7.7
[INFO] finished tweaking crates.io crate qp-trie 0.7.7
[INFO] tweaked toml for crates.io crate qp-trie 0.7.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] c15805a48d44b67479e8d7d9a847b639be7856245e1f20b18b87d6c19e02aafd
[INFO] running `Command { std: "docker" "start" "-a" "c15805a48d44b67479e8d7d9a847b639be7856245e1f20b18b87d6c19e02aafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c15805a48d44b67479e8d7d9a847b639be7856245e1f20b18b87d6c19e02aafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15805a48d44b67479e8d7d9a847b639be7856245e1f20b18b87d6c19e02aafd", kill_on_drop: false }`
[INFO] [stdout] c15805a48d44b67479e8d7d9a847b639be7856245e1f20b18b87d6c19e02aafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 8a126d81d039a88e7d4a8e758d2cb6c5dff8efa4209069a4704ef38843033c7f
[INFO] running `Command { std: "docker" "start" "-a" "8a126d81d039a88e7d4a8e758d2cb6c5dff8efa4209069a4704ef38843033c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling qp-trie v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "8a126d81d039a88e7d4a8e758d2cb6c5dff8efa4209069a4704ef38843033c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a126d81d039a88e7d4a8e758d2cb6c5dff8efa4209069a4704ef38843033c7f", kill_on_drop: false }`
[INFO] [stdout] 8a126d81d039a88e7d4a8e758d2cb6c5dff8efa4209069a4704ef38843033c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0a4a4d92973015fabf2841d45071c00799a7cad65b858a9e055ca9c8a35132
[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" "0b0a4a4d92973015fabf2841d45071c00799a7cad65b858a9e055ca9c8a35132", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling qptrie v0.2.4
[INFO] [stderr]    Compiling qp-trie v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "0b0a4a4d92973015fabf2841d45071c00799a7cad65b858a9e055ca9c8a35132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0a4a4d92973015fabf2841d45071c00799a7cad65b858a9e055ca9c8a35132", kill_on_drop: false }`
[INFO] [stdout] 0b0a4a4d92973015fabf2841d45071c00799a7cad65b858a9e055ca9c8a35132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac4a3777fc666d585bcb88f33b09c366b418b710a24305c1b0be99b7d0f2c65d
[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" "ac4a3777fc666d585bcb88f33b09c366b418b710a24305c1b0be99b7d0f2c65d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qp_trie-8a7d5cfd058acedf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::test::nybble ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-becdb220db93be1a)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test insert_and_get_2 ... ok
[INFO] [stdout] test insert_and_get_1 ... ok
[INFO] [stdout] test longest_common_prefix_simple ... ok
[INFO] [stdout] test entry_insert_and_remove_1 ... ok
[INFO] [stdout] test prefix_sets_1 ... ok
[INFO] [stdout] test insert_and_get_4 ... ok
[INFO] [stdout] test longest_common_prefix_complex ... ok
[INFO] [stdout] test issue_22_regression_remove_prefix ... ok
[INFO] [stdout] test entry_insert_and_remove_2 ... ok
[INFO] [stdout] test insert_and_remove_1 ... ok
[INFO] [stdout] test insert_and_get_5 ... ok
[INFO] [stdout] test insert_and_get_3 ... ok
[INFO] [stdout] test insert_and_get ... ok
[INFO] [stdout] test entry_insert_and_remove ... ok
[INFO] [stdout] test prefix_sets ... ok
[INFO] [stdout] test iter_keys ... ok
[INFO] [stdout] test prefix_sets_ref ... ok
[INFO] [stdout] test iter_values ... ok
[INFO] [stdout] test insert_and_remove ... ok
[INFO] [stdout] test longest_common_prefix ... ok
[INFO] [stdout] test prefix_sets_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qp-trie
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/trie.rs - trie::Trie (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac4a3777fc666d585bcb88f33b09c366b418b710a24305c1b0be99b7d0f2c65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4a3777fc666d585bcb88f33b09c366b418b710a24305c1b0be99b7d0f2c65d", kill_on_drop: false }`
[INFO] [stdout] ac4a3777fc666d585bcb88f33b09c366b418b710a24305c1b0be99b7d0f2c65d