[INFO] cloning repository https://github.com/jimbob88/huffman_coding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimbob88/huffman_coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimbob88%2Fhuffman_coding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimbob88%2Fhuffman_coding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3987e023ecd8a8e266ab840b4c1d33edded597ff
[INFO] testing jimbob88/huffman_coding against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimbob88%2Fhuffman_coding" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jimbob88/huffman_coding
[INFO] finished tweaking git repo https://github.com/jimbob88/huffman_coding
[INFO] tweaked toml for git repo https://github.com/jimbob88/huffman_coding written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jimbob88/huffman_coding 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 git repo https://github.com/jimbob88/huffman_coding 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7001fc776f52e02b152145060f61a4579cbde9422f1fee8c2f8a23dc82c9e213
[INFO] running `Command { std: "docker" "start" "-a" "7001fc776f52e02b152145060f61a4579cbde9422f1fee8c2f8a23dc82c9e213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7001fc776f52e02b152145060f61a4579cbde9422f1fee8c2f8a23dc82c9e213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7001fc776f52e02b152145060f61a4579cbde9422f1fee8c2f8a23dc82c9e213", kill_on_drop: false }`
[INFO] [stdout] 7001fc776f52e02b152145060f61a4579cbde9422f1fee8c2f8a23dc82c9e213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fbac384ff18692e85129f4f85ce59e3de0409ab7bf3c386b0750d1c4a96de365
[INFO] running `Command { std: "docker" "start" "-a" "fbac384ff18692e85129f4f85ce59e3de0409ab7bf3c386b0750d1c4a96de365", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "fbac384ff18692e85129f4f85ce59e3de0409ab7bf3c386b0750d1c4a96de365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbac384ff18692e85129f4f85ce59e3de0409ab7bf3c386b0750d1c4a96de365", kill_on_drop: false }`
[INFO] [stdout] fbac384ff18692e85129f4f85ce59e3de0409ab7bf3c386b0750d1c4a96de365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4bd0daa0a4e49eefb1740df322d430c1b859057a717538f4930b533c1a61c7c0
[INFO] running `Command { std: "docker" "start" "-a" "4bd0daa0a4e49eefb1740df322d430c1b859057a717538f4930b533c1a61c7c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "4bd0daa0a4e49eefb1740df322d430c1b859057a717538f4930b533c1a61c7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd0daa0a4e49eefb1740df322d430c1b859057a717538f4930b533c1a61c7c0", kill_on_drop: false }`
[INFO] [stdout] 4bd0daa0a4e49eefb1740df322d430c1b859057a717538f4930b533c1a61c7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9787800162fa2387d95a595fb0df18a90e08ae66961026d14484cc7030392afb
[INFO] running `Command { std: "docker" "start" "-a" "9787800162fa2387d95a595fb0df18a90e08ae66961026d14484cc7030392afb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/huffman-d1613dff2f4bb2fb)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test huffman::count::tests::test_count_chars ... ok
[INFO] [stdout] test huffman::count::tests::test_ordered_count_chars_has_constant_order_with_unordered_string ... ok
[INFO] [stdout] test huffman::node::tests::test_order_in_binary_heap ... ok
[INFO] [stdout] test huffman::node::tests::test_node_comparison ... ok
[INFO] [stdout] test huffman::tests::test_huffman_tree ... ok
[INFO] [stdout] test huffman::tests::test_huffman_table ... ok
[INFO] [stdout] test huffman::count::tests::test_ordered_count_chars_has_constant_order ... ok
[INFO] [stdout] test huffman::node::tests::test_order_in_binary_heap_after_box ... ok
[INFO] [stdout] test huffman::tests::test_huffman_tree_is_constant ... ok
[INFO] [stdout] test huffman::node::tests::test_order_in_binary_heap_with_different_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9787800162fa2387d95a595fb0df18a90e08ae66961026d14484cc7030392afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9787800162fa2387d95a595fb0df18a90e08ae66961026d14484cc7030392afb", kill_on_drop: false }`
[INFO] [stdout] 9787800162fa2387d95a595fb0df18a90e08ae66961026d14484cc7030392afb