[INFO] fetching crate dltree 0.1.5...
[INFO] testing dltree-0.1.5 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate dltree 0.1.5 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate dltree 0.1.5 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dltree 0.1.5
[INFO] finished tweaking crates.io crate dltree 0.1.5
[INFO] tweaked toml for crates.io crate dltree 0.1.5 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85293143e1b6e55e03e3b3f1119d4fc6a1e2a0053c6b91b7bb0e0a3ba4ef676
[INFO] running `Command { std: "docker" "start" "-a" "e85293143e1b6e55e03e3b3f1119d4fc6a1e2a0053c6b91b7bb0e0a3ba4ef676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85293143e1b6e55e03e3b3f1119d4fc6a1e2a0053c6b91b7bb0e0a3ba4ef676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85293143e1b6e55e03e3b3f1119d4fc6a1e2a0053c6b91b7bb0e0a3ba4ef676", kill_on_drop: false }`
[INFO] [stdout] e85293143e1b6e55e03e3b3f1119d4fc6a1e2a0053c6b91b7bb0e0a3ba4ef676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e89089071cc1c055ea27b56c7c92f8ab94a4d0b73f2204b53c50efecbcd568
[INFO] running `Command { std: "docker" "start" "-a" "76e89089071cc1c055ea27b56c7c92f8ab94a4d0b73f2204b53c50efecbcd568", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dltree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "76e89089071cc1c055ea27b56c7c92f8ab94a4d0b73f2204b53c50efecbcd568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e89089071cc1c055ea27b56c7c92f8ab94a4d0b73f2204b53c50efecbcd568", kill_on_drop: false }`
[INFO] [stdout] 76e89089071cc1c055ea27b56c7c92f8ab94a4d0b73f2204b53c50efecbcd568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cfd74b89e1a7b51c644577837682867d5429f9690aec06ee48262467ea65c2e
[INFO] running `Command { std: "docker" "start" "-a" "6cfd74b89e1a7b51c644577837682867d5429f9690aec06ee48262467ea65c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dltree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "6cfd74b89e1a7b51c644577837682867d5429f9690aec06ee48262467ea65c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfd74b89e1a7b51c644577837682867d5429f9690aec06ee48262467ea65c2e", kill_on_drop: false }`
[INFO] [stdout] 6cfd74b89e1a7b51c644577837682867d5429f9690aec06ee48262467ea65c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71a8ff5fd0014b20f44efa736adbf47c1ed27acece4c0d86d00f4bf4251350a3
[INFO] running `Command { std: "docker" "start" "-a" "71a8ff5fd0014b20f44efa736adbf47c1ed27acece4c0d86d00f4bf4251350a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dltree-ecb5138ebf303567)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tree::tests::element_rempval_test ... ok
[INFO] [stdout] test tree::tests::insert_test ... ok
[INFO] [stdout] test tree::tests::tree_element_test ... ok
[INFO] [stdout] test tree::tests::tree_building_test ... ok
[INFO] [stdout] test tree::tests::value_set_test ... ok
[INFO] [stdout] test tree::tests::replace_test ... ok
[INFO] [stdout] test tree_elements::tree_element_type::tests::check_integrity_violation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dltree
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71a8ff5fd0014b20f44efa736adbf47c1ed27acece4c0d86d00f4bf4251350a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a8ff5fd0014b20f44efa736adbf47c1ed27acece4c0d86d00f4bf4251350a3", kill_on_drop: false }`
[INFO] [stdout] 71a8ff5fd0014b20f44efa736adbf47c1ed27acece4c0d86d00f4bf4251350a3