[INFO] fetching crate dtab 0.0.2...
[INFO] testing dtab-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dtab 0.0.2 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate dtab 0.0.2 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 dtab 0.0.2
[INFO] finished tweaking crates.io crate dtab 0.0.2
[INFO] tweaked toml for crates.io crate dtab 0.0.2 written to /workspace/builds/worker-110/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] [stdout] f19e2a1d30c9b3c7ec50ae41777c68313017f4b0a293aa58455f3607b076fdcb
[INFO] running `Command { std: "docker" "start" "-a" "f19e2a1d30c9b3c7ec50ae41777c68313017f4b0a293aa58455f3607b076fdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f19e2a1d30c9b3c7ec50ae41777c68313017f4b0a293aa58455f3607b076fdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19e2a1d30c9b3c7ec50ae41777c68313017f4b0a293aa58455f3607b076fdcb", kill_on_drop: false }`
[INFO] [stdout] f19e2a1d30c9b3c7ec50ae41777c68313017f4b0a293aa58455f3607b076fdcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] [stdout] ebe972230c4ff4ae7cc3f470e14dc2e8d9677591b8de75c607ffbd78d7846732
[INFO] running `Command { std: "docker" "start" "-a" "ebe972230c4ff4ae7cc3f470e14dc2e8d9677591b8de75c607ffbd78d7846732", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "ebe972230c4ff4ae7cc3f470e14dc2e8d9677591b8de75c607ffbd78d7846732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe972230c4ff4ae7cc3f470e14dc2e8d9677591b8de75c607ffbd78d7846732", kill_on_drop: false }`
[INFO] [stdout] ebe972230c4ff4ae7cc3f470e14dc2e8d9677591b8de75c607ffbd78d7846732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 851b3a184cd63ac267a71fb7dba77d3380a83160913b003501dd5877fc66d367
[INFO] running `Command { std: "docker" "start" "-a" "851b3a184cd63ac267a71fb7dba77d3380a83160913b003501dd5877fc66d367", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.2.1
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::NameTree::*`
[INFO] [stdout]    --> src/nametree.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::NameTree::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 1.88s
[INFO] running `Command { std: "docker" "inspect" "851b3a184cd63ac267a71fb7dba77d3380a83160913b003501dd5877fc66d367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851b3a184cd63ac267a71fb7dba77d3380a83160913b003501dd5877fc66d367", kill_on_drop: false }`
[INFO] [stdout] 851b3a184cd63ac267a71fb7dba77d3380a83160913b003501dd5877fc66d367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 47660adbfea481365f285a746e9895997502ab91e08e6bd94c6b75a63e52baae
[INFO] running `Command { std: "docker" "start" "-a" "47660adbfea481365f285a746e9895997502ab91e08e6bd94c6b75a63e52baae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `super::NameTree::*`
[INFO] [stderr]    --> src/nametree.rs:277:9
[INFO] [stderr]     |
[INFO] [stderr] 277 |     use super::NameTree::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dtab` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dtab-c78e01f2a843773f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test nametree::tests::multiple_alt ... ok
[INFO] [stdout] test nametree::tests::fail_alt ... ok
[INFO] [stdout] test nametree::tests::neg_alt ... ok
[INFO] [stdout] test nametree::tests::simple_weighted_union ... ok
[INFO] [stdout] test nametree::tests::simple_alt ... ok
[INFO] [stdout] test nametree::tests::simple_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dtab
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/nametree.rs - nametree (line 88) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 106) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 22) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 59) ... ok
[INFO] [stdout] test src/lib.rs - dtab (line 63) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 125) ... ok
[INFO] [stdout] test src/lib.rs - dentry (line 37) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 49) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47660adbfea481365f285a746e9895997502ab91e08e6bd94c6b75a63e52baae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47660adbfea481365f285a746e9895997502ab91e08e6bd94c6b75a63e52baae", kill_on_drop: false }`
[INFO] [stdout] 47660adbfea481365f285a746e9895997502ab91e08e6bd94c6b75a63e52baae