[INFO] fetching crate d4t4 0.2.2...
[INFO] testing d4t4-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate d4t4 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate d4t4 0.2.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate d4t4 0.2.2
[INFO] finished tweaking crates.io crate d4t4 0.2.2
[INFO] tweaked toml for crates.io crate d4t4 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d907406e04e800abf42121cb317dc1afd3ad2986a14bd7331230bc70799a826b
[INFO] running `Command { std: "docker" "start" "-a" "d907406e04e800abf42121cb317dc1afd3ad2986a14bd7331230bc70799a826b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d907406e04e800abf42121cb317dc1afd3ad2986a14bd7331230bc70799a826b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d907406e04e800abf42121cb317dc1afd3ad2986a14bd7331230bc70799a826b", kill_on_drop: false }`
[INFO] [stdout] d907406e04e800abf42121cb317dc1afd3ad2986a14bd7331230bc70799a826b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d34c526579939da2f7ac4539630ab523911998345d66125b3a7d87de96f1f7
[INFO] running `Command { std: "docker" "start" "-a" "57d34c526579939da2f7ac4539630ab523911998345d66125b3a7d87de96f1f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling d4t4 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]   --> src/parser/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "57d34c526579939da2f7ac4539630ab523911998345d66125b3a7d87de96f1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d34c526579939da2f7ac4539630ab523911998345d66125b3a7d87de96f1f7", kill_on_drop: false }`
[INFO] [stdout] 57d34c526579939da2f7ac4539630ab523911998345d66125b3a7d87de96f1f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817454f136e0dff4e1b7efe14be21bbaf1b390654fe1bae522aba403d80f1220
[INFO] running `Command { std: "docker" "start" "-a" "817454f136e0dff4e1b7efe14be21bbaf1b390654fe1bae522aba403d80f1220", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]   --> src/parser/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling insta v0.16.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling d4t4 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]   --> src/parser/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "817454f136e0dff4e1b7efe14be21bbaf1b390654fe1bae522aba403d80f1220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817454f136e0dff4e1b7efe14be21bbaf1b390654fe1bae522aba403d80f1220", kill_on_drop: false }`
[INFO] [stdout] 817454f136e0dff4e1b7efe14be21bbaf1b390654fe1bae522aba403d80f1220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06f4541854eac43b95ef4e6a48ee6424a52b989f64341f378c0fb9b47ef21c11
[INFO] running `Command { std: "docker" "start" "-a" "06f4541854eac43b95ef4e6a48ee6424a52b989f64341f378c0fb9b47ef21c11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `location`
[INFO] [stderr]   --> src/parser/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     location: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `d4t4` (lib) generated 1 warning
[INFO] [stderr] warning: `d4t4` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d4t4-fb61185aa60024f2)
[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 tests/comments.rs (/opt/rustwide/target/debug/deps/comments-aa3618619df3123b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_can_parse_hash_comment ... ok
[INFO] [stdout] test it_can_parse_line_comment ... ok
[INFO] [stdout] test it_can_parse_object_with_multiline_comment ... ok
[INFO] [stdout] test it_can_parse_object_with_comment ... 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] [stderr]      Running tests/json.rs (/opt/rustwide/target/debug/deps/json-4b39f51d169f2838)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_can_parse_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/object_keys.rs (/opt/rustwide/target/debug/deps/object_keys-ff6c1afc5d374949)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_errors_on_same_key ... ok
[INFO] [stdout] test it_can_parse_different_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/quoting.rs (/opt/rustwide/target/debug/deps/quoting-0519f912be39eb77)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test it_can_parse_double_with_escaped_double ... ok
[INFO] [stdout] test it_can_parse_double_quotes ... ok
[INFO] [stdout] test it_can_parse_mixed_quotations ... ok
[INFO] [stdout] test it_can_parse_double_inside_single_quotes ... ok
[INFO] [stdout] test it_can_parse_single_with_escaped_single ... ok
[INFO] [stdout] test it_can_parse_single_quotes ... ok
[INFO] [stdout] test it_can_parse_single_inside_double_quotes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/references.rs (/opt/rustwide/target/debug/deps/references-d3b3fbc71db1d4af)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test it_can_chain_references ... ignored
[INFO] [stdout] test it_can_extend_objects ... ignored
[INFO] [stdout] test it_can_reference_arrays ... ignored
[INFO] [stdout] test it_can_reference_objects ... ignored
[INFO] [stdout] test it_can_translate_bool_to_string ... ignored
[INFO] [stdout] test it_can_translate_float_to_string ... ignored
[INFO] [stdout] test it_can_translate_int_to_string ... ignored
[INFO] [stdout] test it_can_translate_null_to_string ... ignored
[INFO] [stdout] test it_thows_error_on_recursion ... ignored
[INFO] [stdout] test it_thows_error_when_reference_in_key ... ok
[INFO] [stdout] test it_thows_error_when_referencing_arrays ... ok
[INFO] [stdout] test it_thows_error_when_key_is_not_found ... ok
[INFO] [stdout] test it_thows_error_when_key_is_not_found_in_nested ... ok
[INFO] [stdout] test it_can_parse_nested_references ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_references ... ok
[INFO] [stdout] test it_can_parse_references_at_root ... ok
[INFO] [stdout] test it_can_parse_multiple_references ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_targets ... ok
[INFO] [stdout] test it_can_parse_nested_targets ... ok
[INFO] [stdout] test it_can_reference_from_within_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests d4t4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06f4541854eac43b95ef4e6a48ee6424a52b989f64341f378c0fb9b47ef21c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f4541854eac43b95ef4e6a48ee6424a52b989f64341f378c0fb9b47ef21c11", kill_on_drop: false }`
[INFO] [stdout] 06f4541854eac43b95ef4e6a48ee6424a52b989f64341f378c0fb9b47ef21c11