[INFO] fetching crate dtab 0.0.2...
[INFO] testing dtab-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dtab 0.0.2 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate dtab 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.2.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a644f8c9c2ec3f64fa2203662452e778b6838b6d748c0b2e7778fe35061f5ad
[INFO] running `Command { std: "docker" "start" "-a" "7a644f8c9c2ec3f64fa2203662452e778b6838b6d748c0b2e7778fe35061f5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a644f8c9c2ec3f64fa2203662452e778b6838b6d748c0b2e7778fe35061f5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a644f8c9c2ec3f64fa2203662452e778b6838b6d748c0b2e7778fe35061f5ad", kill_on_drop: false }`
[INFO] [stdout] 7a644f8c9c2ec3f64fa2203662452e778b6838b6d748c0b2e7778fe35061f5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7b61f6d80f49b0cb73dbfe7ffcff0c5699f91fb1aced453f3cadd483b80c8f
[INFO] running `Command { std: "docker" "start" "-a" "fd7b61f6d80f49b0cb73dbfe7ffcff0c5699f91fb1aced453f3cadd483b80c8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "fd7b61f6d80f49b0cb73dbfe7ffcff0c5699f91fb1aced453f3cadd483b80c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7b61f6d80f49b0cb73dbfe7ffcff0c5699f91fb1aced453f3cadd483b80c8f", kill_on_drop: false }`
[INFO] [stdout] fd7b61f6d80f49b0cb73dbfe7ffcff0c5699f91fb1aced453f3cadd483b80c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b212526c32c3160e614ff28bbafaa439a673060f7e4c482b073bdb6c15aaad47
[INFO] running `Command { std: "docker" "start" "-a" "b212526c32c3160e614ff28bbafaa439a673060f7e4c482b073bdb6c15aaad47", 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 1.68s
[INFO] running `Command { std: "docker" "inspect" "b212526c32c3160e614ff28bbafaa439a673060f7e4c482b073bdb6c15aaad47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b212526c32c3160e614ff28bbafaa439a673060f7e4c482b073bdb6c15aaad47", kill_on_drop: false }`
[INFO] [stdout] b212526c32c3160e614ff28bbafaa439a673060f7e4c482b073bdb6c15aaad47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0e51ec23da8df52818dc5ab638d318e0db0b3570a08bda7b4bf4a52fb7aa10d
[INFO] running `Command { std: "docker" "start" "-a" "f0e51ec23da8df52818dc5ab638d318e0db0b3570a08bda7b4bf4a52fb7aa10d", 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 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dtab-10da93592347b61f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test nametree::tests::multiple_alt ... ok
[INFO] [stdout] test nametree::tests::neg_alt ... ok
[INFO] [stdout] test nametree::tests::simple_alt ... ok
[INFO] [stdout] test nametree::tests::fail_alt ... ok
[INFO] [stdout] test nametree::tests::simple_weighted_union ... 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/lib.rs - dtab (line 63) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 106) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 88) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 125) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 59) ... ok
[INFO] [stdout] test src/lib.rs - dentry (line 37) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 73) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 22) ... ok
[INFO] [stdout] test src/nametree.rs - nametree (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0e51ec23da8df52818dc5ab638d318e0db0b3570a08bda7b4bf4a52fb7aa10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e51ec23da8df52818dc5ab638d318e0db0b3570a08bda7b4bf4a52fb7aa10d", kill_on_drop: false }`
[INFO] [stdout] f0e51ec23da8df52818dc5ab638d318e0db0b3570a08bda7b4bf4a52fb7aa10d