[INFO] fetching crate ben 0.2.0...
[INFO] testing ben-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ben 0.2.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate ben 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ben 0.2.0
[INFO] finished tweaking crates.io crate ben 0.2.0
[INFO] tweaked toml for crates.io crate ben 0.2.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate ben 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14cbb78e556d926c2f08730cab3717657978051543c98a6f37f9cd6577655cb0
[INFO] running `Command { std: "docker" "start" "-a" "14cbb78e556d926c2f08730cab3717657978051543c98a6f37f9cd6577655cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14cbb78e556d926c2f08730cab3717657978051543c98a6f37f9cd6577655cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cbb78e556d926c2f08730cab3717657978051543c98a6f37f9cd6577655cb0", kill_on_drop: false }`
[INFO] [stdout] 14cbb78e556d926c2f08730cab3717657978051543c98a6f37f9cd6577655cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12eec701ca6e1af2ed67cfb0a14924de5f400ad10b215aed038e0172a01e0f3
[INFO] running `Command { std: "docker" "start" "-a" "a12eec701ca6e1af2ed67cfb0a14924de5f400ad10b215aed038e0172a01e0f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ben v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "a12eec701ca6e1af2ed67cfb0a14924de5f400ad10b215aed038e0172a01e0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12eec701ca6e1af2ed67cfb0a14924de5f400ad10b215aed038e0172a01e0f3", kill_on_drop: false }`
[INFO] [stdout] a12eec701ca6e1af2ed67cfb0a14924de5f400ad10b215aed038e0172a01e0f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c92dd4c9cb35c988ec966a81910a364a82e46308ec4ec375003a7e3d7ca95f
[INFO] running `Command { std: "docker" "start" "-a" "f2c92dd4c9cb35c988ec966a81910a364a82e46308ec4ec375003a7e3d7ca95f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ben v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "f2c92dd4c9cb35c988ec966a81910a364a82e46308ec4ec375003a7e3d7ca95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c92dd4c9cb35c988ec966a81910a364a82e46308ec4ec375003a7e3d7ca95f", kill_on_drop: false }`
[INFO] [stdout] f2c92dd4c9cb35c988ec966a81910a364a82e46308ec4ec375003a7e3d7ca95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18ad6b54b6e6c2178e9d67054ef7b4ad4d66176f630b14716a3b8ff92bb79c87
[INFO] running `Command { std: "docker" "start" "-a" "18ad6b54b6e6c2178e9d67054ef7b4ad4d66176f630b14716a3b8ff92bb79c87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ben-611d282cc885606d)
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test decode::tests::decode_debug_bytes ... ok
[INFO] [stdout] test decode::tests::decode_empty ... ok
[INFO] [stdout] test decode::tests::decode_debug_str ... ok
[INFO] [stdout] test decode::tests::dict_get_invalid ... ok
[INFO] [stdout] test decode::tests::dict_iter_inside_list ... ok
[INFO] [stdout] test decode::tests::empty_list_len ... ok
[INFO] [stdout] test decode::tests::list_get_nested ... ok
[INFO] [stdout] test decode::tests::dict_iter_2 ... ok
[INFO] [stdout] test decode::tests::dict_iter ... ok
[INFO] [stdout] test decode::tests::int_value_invalid ... ok
[INFO] [stdout] test parse::tests::depth_limit ... ok
[INFO] [stdout] test encode::tests::encode_dict ... ok
[INFO] [stdout] test decode::tests::list_get_overflow ... ok
[INFO] [stdout] test encode::tests::encode_dict_drop ... ok
[INFO] [stdout] test encode::tests::encode_dict_ordered_drop ... ok
[INFO] [stdout] test encode::tests::encode_int ... ok
[INFO] [stdout] test encode::tests::encode_list ... ok
[INFO] [stdout] test encode::tests::encode_dict_ordered_duplicate_keys ... ok
[INFO] [stdout] test encode::tests::encode_dict_ordered ... ok
[INFO] [stdout] test decode::tests::non_empty_dict_len ... ok
[INFO] [stdout] test decode::tests::non_empty_dict_nested_len ... ok
[INFO] [stdout] test decode::tests::non_empty_list_nested_len ... ok
[INFO] [stdout] test decode::tests::empty_dict_len ... ok
[INFO] [stdout] test encode::tests::encode_custom ... ok
[INFO] [stdout] test decode::tests::dict_get ... ok
[INFO] [stdout] test decode::tests::int_value_negative ... ok
[INFO] [stdout] test decode::tests::non_empty_list_len ... ok
[INFO] [stdout] test encode::tests::encode_add_bytes2_ok ... ok
[INFO] [stdout] test decode::tests::list_iter ... ok
[INFO] [stdout] test encode::tests::debug::encode_dict_sorted ... ok
[INFO] [stdout] test parse::tests::empty_dict ... ok
[INFO] [stdout] test parse::tests::parse_prefix ... ok
[INFO] [stdout] test decode::tests::str_value ... ok
[INFO] [stdout] test encode::tests::encode_list_drop ... ok
[INFO] [stdout] test parse::tests::list_string_values ... ok
[INFO] [stdout] test parse::tests::multiple_root_tokens ... ok
[INFO] [stdout] test parse::tests::list_nested_complex ... ok
[INFO] [stdout] test parse::tests::parse_empty_string ... ok
[INFO] [stdout] test encode::tests::encode_str ... ok
[INFO] [stdout] test decode::tests::list_get_invalid ... ok
[INFO] [stdout] test parse::tests::dict_string_values ... ok
[INFO] [stdout] test parse::tests::parse_prefix_in ... ok
[INFO] [stdout] test parse::tests::parse_string_too_long ... ok
[INFO] [stdout] test parse::tests::unclosed_dict ... ok
[INFO] [stdout] test parse::tests::parse_string_too_short ... ok
[INFO] [stdout] test parse::tests::parse_string ... ok
[INFO] [stdout] test parse::tests::token_limit ... ok
[INFO] [stdout] test parse::tests::parse_int ... ok
[INFO] [stdout] test parse::tests::unclosed_list ... ok
[INFO] [stdout] test decode::tests::list_iter_not_a_list ... ok
[INFO] [stdout] test parse::tests::key_only_dict ... ok
[INFO] [stdout] test parse::tests::list_nested ... ok
[INFO] [stdout] test decode::tests::list_get ... ok
[INFO] [stdout] test decode::tests::int_value ... ok
[INFO] [stdout] test parse::tests::key_only_dict_2 ... ok
[INFO] [stdout] test parse::tests::dict_mixed_values ... ok
[INFO] [stdout] test parse::tests::empty_list ... ok
[INFO] [stderr]    Doc-tests ben
[INFO] [stdout] test encode::tests::encode_add_bytes2_panic - should panic ... ok
[INFO] [stdout] test encode::tests::debug::encode_dict_duplicate - should panic ... ok
[INFO] [stdout] test encode::tests::debug::encode_dict_unordered - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/decode.rs - decode::List::as_raw_bytes (line 403) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_bytes (line 295) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_str (line 318) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_list (line 185) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_int (line 262) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::into_list (line 157) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_ascii_str (line 340) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_dict (line 238) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::into_dict (line 211) ... ok
[INFO] [stdout] test src/decode.rs - decode::Dict::as_raw_bytes (line 529) ... ok
[INFO] [stdout] test src/decode.rs - decode::Decoder::as_raw_bytes (line 118) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18ad6b54b6e6c2178e9d67054ef7b4ad4d66176f630b14716a3b8ff92bb79c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ad6b54b6e6c2178e9d67054ef7b4ad4d66176f630b14716a3b8ff92bb79c87", kill_on_drop: false }`
[INFO] [stdout] 18ad6b54b6e6c2178e9d67054ef7b4ad4d66176f630b14716a3b8ff92bb79c87