[INFO] fetching crate reingold-tilford 1.0.0...
[INFO] testing reingold-tilford-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate reingold-tilford 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate reingold-tilford 1.0.0
[INFO] finished tweaking crates.io crate reingold-tilford 1.0.0
[INFO] tweaked toml for crates.io crate reingold-tilford 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reingold-tilford 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding pancurses v0.16.1 (available: v0.17.0)
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.8.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.15.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f6c7f87b525951b80235d42cdf9db7cfdc480612c374b6d95dd3d32258f3668
[INFO] running `Command { std: "docker" "start" "-a" "6f6c7f87b525951b80235d42cdf9db7cfdc480612c374b6d95dd3d32258f3668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f6c7f87b525951b80235d42cdf9db7cfdc480612c374b6d95dd3d32258f3668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6c7f87b525951b80235d42cdf9db7cfdc480612c374b6d95dd3d32258f3668", kill_on_drop: false }`
[INFO] [stdout] 6f6c7f87b525951b80235d42cdf9db7cfdc480612c374b6d95dd3d32258f3668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f2ba2423aae526c1899b4d896166f641ca307f3a0f950be9a033f889d4a40
[INFO] running `Command { std: "docker" "start" "-a" "e05f2ba2423aae526c1899b4d896166f641ca307f3a0f950be9a033f889d4a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e05f2ba2423aae526c1899b4d896166f641ca307f3a0f950be9a033f889d4a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f2ba2423aae526c1899b4d896166f641ca307f3a0f950be9a033f889d4a40", kill_on_drop: false }`
[INFO] [stdout] e05f2ba2423aae526c1899b4d896166f641ca307f3a0f950be9a033f889d4a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d382009d8e16e5e266b30521ccb044b68abebcd553452b381275b8aa9bf3ee
[INFO] running `Command { std: "docker" "start" "-a" "15d382009d8e16e5e266b30521ccb044b68abebcd553452b381275b8aa9bf3ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "15d382009d8e16e5e266b30521ccb044b68abebcd553452b381275b8aa9bf3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d382009d8e16e5e266b30521ccb044b68abebcd553452b381275b8aa9bf3ee", kill_on_drop: false }`
[INFO] [stdout] 15d382009d8e16e5e266b30521ccb044b68abebcd553452b381275b8aa9bf3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed7896a0fa383704729ca34a359cba6834790f915edb7c2b4ddf6e53f6a6065e
[INFO] running `Command { std: "docker" "start" "-a" "ed7896a0fa383704729ca34a359cba6834790f915edb7c2b4ddf6e53f6a6065e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reingold_tilford-1c92eb945b7e20b2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::test::is_leaf_false ... ok
[INFO] [stdout] test tree::test::is_leaf_true ... ok
[INFO] [stdout] test tree::test::is_root_true ... ok
[INFO] [stdout] test tree::test::is_root_false ... ok
[INFO] [stdout] test tree::test::post_order ... ok
[INFO] [stdout] test tree::test::root ... ok
[INFO] [stdout] test tree::test::new ... ok
[INFO] [stdout] test tree::test::breadth_first ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-42a71b1463f82913)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test petgraph ... ok
[INFO] [stdout] test ptc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reingold_tilford
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - NodeInfo (line 86) ... ok
[INFO] [stdout] test src/lib.rs - NodeInfo (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed7896a0fa383704729ca34a359cba6834790f915edb7c2b4ddf6e53f6a6065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7896a0fa383704729ca34a359cba6834790f915edb7c2b4ddf6e53f6a6065e", kill_on_drop: false }`
[INFO] [stdout] ed7896a0fa383704729ca34a359cba6834790f915edb7c2b4ddf6e53f6a6065e