[INFO] fetching crate balanced_binary_tree 0.1.0...
[INFO] testing balanced_binary_tree-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate balanced_binary_tree 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate balanced_binary_tree 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate balanced_binary_tree 0.1.0
[INFO] finished tweaking crates.io crate balanced_binary_tree 0.1.0
[INFO] tweaked toml for crates.io crate balanced_binary_tree 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate balanced_binary_tree 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0d0c011bd50aaaa465e8b775590194491d17a054d8a18133026d497adee2c5
[INFO] running `Command { std: "docker" "start" "-a" "8a0d0c011bd50aaaa465e8b775590194491d17a054d8a18133026d497adee2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0d0c011bd50aaaa465e8b775590194491d17a054d8a18133026d497adee2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0d0c011bd50aaaa465e8b775590194491d17a054d8a18133026d497adee2c5", kill_on_drop: false }`
[INFO] [stdout] 8a0d0c011bd50aaaa465e8b775590194491d17a054d8a18133026d497adee2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7403657ca7ab2f0afcac7b15bbf47efecd36eff13e78bb472c5ef3a431af168a
[INFO] running `Command { std: "docker" "start" "-a" "7403657ca7ab2f0afcac7b15bbf47efecd36eff13e78bb472c5ef3a431af168a", kill_on_drop: false }`
[INFO] [stderr]    Compiling balanced_binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7403657ca7ab2f0afcac7b15bbf47efecd36eff13e78bb472c5ef3a431af168a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7403657ca7ab2f0afcac7b15bbf47efecd36eff13e78bb472c5ef3a431af168a", kill_on_drop: false }`
[INFO] [stdout] 7403657ca7ab2f0afcac7b15bbf47efecd36eff13e78bb472c5ef3a431af168a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53792f95fb1347254ef8f36146dccf41943d99801e9d36bcbb1b534e7b4ab5d6
[INFO] running `Command { std: "docker" "start" "-a" "53792f95fb1347254ef8f36146dccf41943d99801e9d36bcbb1b534e7b4ab5d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling balanced_binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "53792f95fb1347254ef8f36146dccf41943d99801e9d36bcbb1b534e7b4ab5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53792f95fb1347254ef8f36146dccf41943d99801e9d36bcbb1b534e7b4ab5d6", kill_on_drop: false }`
[INFO] [stdout] 53792f95fb1347254ef8f36146dccf41943d99801e9d36bcbb1b534e7b4ab5d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 261c576a68b374141386f11e26e9361bf032317391fe5dd8a75e52c124bc1b31
[INFO] running `Command { std: "docker" "start" "-a" "261c576a68b374141386f11e26e9361bf032317391fe5dd8a75e52c124bc1b31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/balanced_binary_tree-e7408f5a397ebf7a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/balanced_binary_tree-478cba987dfd6421)
[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] [stderr]    Doc-tests balanced_binary_tree
[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" "261c576a68b374141386f11e26e9361bf032317391fe5dd8a75e52c124bc1b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261c576a68b374141386f11e26e9361bf032317391fe5dd8a75e52c124bc1b31", kill_on_drop: false }`
[INFO] [stdout] 261c576a68b374141386f11e26e9361bf032317391fe5dd8a75e52c124bc1b31