[INFO] fetching crate tree-iter 0.6.0...
[INFO] testing tree-iter-0.6.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate tree-iter 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tree-iter 0.6.0
[INFO] finished tweaking crates.io crate tree-iter 0.6.0
[INFO] tweaked toml for crates.io crate tree-iter 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-iter 0.6.0 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] crate crates.io crate tree-iter 0.6.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e744abf659dd644f7970e16ca14df1c12a16e319284fff7b26ec4cfd844c7801
[INFO] running `Command { std: "docker" "start" "-a" "e744abf659dd644f7970e16ca14df1c12a16e319284fff7b26ec4cfd844c7801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e744abf659dd644f7970e16ca14df1c12a16e319284fff7b26ec4cfd844c7801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e744abf659dd644f7970e16ca14df1c12a16e319284fff7b26ec4cfd844c7801", kill_on_drop: false }`
[INFO] [stdout] e744abf659dd644f7970e16ca14df1c12a16e319284fff7b26ec4cfd844c7801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dcf87bbd2e66a467b65987c76801b403c0b30ffab8c6c33249c287d884ff1ae5
[INFO] running `Command { std: "docker" "start" "-a" "dcf87bbd2e66a467b65987c76801b403c0b30ffab8c6c33249c287d884ff1ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-iter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "dcf87bbd2e66a467b65987c76801b403c0b30ffab8c6c33249c287d884ff1ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf87bbd2e66a467b65987c76801b403c0b30ffab8c6c33249c287d884ff1ae5", kill_on_drop: false }`
[INFO] [stdout] dcf87bbd2e66a467b65987c76801b403c0b30ffab8c6c33249c287d884ff1ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 650a1adc3fe3e420ae9cf32dd589e8e50d24ab047148ebfe55bc54ba6fa6eccf
[INFO] running `Command { std: "docker" "start" "-a" "650a1adc3fe3e420ae9cf32dd589e8e50d24ab047148ebfe55bc54ba6fa6eccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-iter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "650a1adc3fe3e420ae9cf32dd589e8e50d24ab047148ebfe55bc54ba6fa6eccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650a1adc3fe3e420ae9cf32dd589e8e50d24ab047148ebfe55bc54ba6fa6eccf", kill_on_drop: false }`
[INFO] [stdout] 650a1adc3fe3e420ae9cf32dd589e8e50d24ab047148ebfe55bc54ba6fa6eccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d705ec033981b5f2b0903b2e4d49683b8ddda382bbd66873b017e369828143f
[INFO] running `Command { std: "docker" "start" "-a" "5d705ec033981b5f2b0903b2e4d49683b8ddda382bbd66873b017e369828143f", 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/tree_iter-e9d5d90a43c3c858)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::tests::test_breadth_first_traversal ... ok
[INFO] [stdout] test tree::tests::test_complex_tree_traversal ... ok
[INFO] [stdout] test tree::tests::test_depth_first_traversal ... ok
[INFO] [stdout] test tree::tests::test_forest_traversal ... ok
[INFO] [stdout] test tree::tests::test_empty_tree ... ok
[INFO] [stdout] test tree::tests::test_mutable_breadth_first_traversal ... ok
[INFO] [stdout] test tree::tests::test_mutable_depth_first_traversal ... ok
[INFO] [stdout] test tree::tests::test_tree_modification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_iter
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/tree.rs - tree::Node (line 15) ... ok
[INFO] [stdout] test src/iter.rs - iter::TreeNode (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/iter_mut.rs - iter_mut::TreeNodeMut (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d705ec033981b5f2b0903b2e4d49683b8ddda382bbd66873b017e369828143f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d705ec033981b5f2b0903b2e4d49683b8ddda382bbd66873b017e369828143f", kill_on_drop: false }`
[INFO] [stdout] 5d705ec033981b5f2b0903b2e4d49683b8ddda382bbd66873b017e369828143f