[INFO] fetching crate display-as 0.6.0...
[INFO] testing display-as-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate display-as 0.6.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate display-as 0.6.0 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 display-as 0.6.0
[INFO] finished tweaking crates.io crate display-as 0.6.0
[INFO] tweaked toml for crates.io crate display-as 0.6.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 1a8d325a8fe6c2147b2d4f0c2cd6fc227d7f393b2787152c9dea63a20f101434
[INFO] running `Command { std: "docker" "start" "-a" "1a8d325a8fe6c2147b2d4f0c2cd6fc227d7f393b2787152c9dea63a20f101434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8d325a8fe6c2147b2d4f0c2cd6fc227d7f393b2787152c9dea63a20f101434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8d325a8fe6c2147b2d4f0c2cd6fc227d7f393b2787152c9dea63a20f101434", kill_on_drop: false }`
[INFO] [stdout] 1a8d325a8fe6c2147b2d4f0c2cd6fc227d7f393b2787152c9dea63a20f101434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 88e2005752ff6e9b9881cb799f7ae7f478e631910f47f840f97f5262cb45f005
[INFO] running `Command { std: "docker" "start" "-a" "88e2005752ff6e9b9881cb799f7ae7f478e631910f47f840f97f5262cb45f005", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling display-as-proc-macro v0.6.0
[INFO] [stderr]    Compiling display-as v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "88e2005752ff6e9b9881cb799f7ae7f478e631910f47f840f97f5262cb45f005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e2005752ff6e9b9881cb799f7ae7f478e631910f47f840f97f5262cb45f005", kill_on_drop: false }`
[INFO] [stdout] 88e2005752ff6e9b9881cb799f7ae7f478e631910f47f840f97f5262cb45f005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 6b5fa031168b243e7c3b2f5b10409c9e4738ede23d9d04bcdf07bf9041915a4f
[INFO] running `Command { std: "docker" "start" "-a" "6b5fa031168b243e7c3b2f5b10409c9e4738ede23d9d04bcdf07bf9041915a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling display-as v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> tests/if_let_with_pattern.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct Foo { x: usize };
[INFO] [stdout]   |                            ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/if_let_with_pattern.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     struct Foo { x: usize };
[INFO] [stdout]    |                            ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "6b5fa031168b243e7c3b2f5b10409c9e4738ede23d9d04bcdf07bf9041915a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5fa031168b243e7c3b2f5b10409c9e4738ede23d9d04bcdf07bf9041915a4f", kill_on_drop: false }`
[INFO] [stdout] 6b5fa031168b243e7c3b2f5b10409c9e4738ede23d9d04bcdf07bf9041915a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 8451f286d6ca14ca5700639ae62aa2bdd72e11a8522731147ffb30ae46d8689d
[INFO] running `Command { std: "docker" "start" "-a" "8451f286d6ca14ca5700639ae62aa2bdd72e11a8522731147ffb30ae46d8689d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> tests/if_let_with_pattern.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 |     struct Foo { x: usize };
[INFO] [stderr]   |                            ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/if_let_with_pattern.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     struct Foo { x: usize };
[INFO] [stderr]    |                            ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `display-as` (test "if_let_with_pattern") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/display_as-a662eeb13e0a27ad)
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running tests/format_as.rs (/opt/rustwide/target/debug/deps/format_as-b7068249bf48d5a5)
[INFO] [stdout] test float::display ... ok
[INFO] [stdout] test float::to_floating ... ok
[INFO] [stdout] test html::escaping ... ok
[INFO] [stdout] test latex::floats ... ok
[INFO] [stdout] test mathlatex::escaping ... ok
[INFO] [stdout] test mathlatex::floats ... ok
[INFO] [stdout] test latex::escaping ... ok
[INFO] [stdout] test rust::escaping ... ok
[INFO] [stdout] test rust::floats ... ok
[INFO] [stdout] test test_closure ... ok
[INFO] [stdout] test html::floats ... ok
[INFO] [stdout] test tests::html_escaping ... ok
[INFO] [stdout] test url::escaping ... ok
[INFO] [stdout] test utf8::escaping ... ok
[INFO] [stdout] test utf8::floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test nested_format_as ... ok
[INFO] [stdout] test just_string ... ok
[INFO] [stdout] test string_and_integer ... ok
[INFO] [stdout] test test_conditionals ... ok
[INFO] [stdout] test string_and_float ... ok
[INFO] [stdout] test integer_reference ... ok
[INFO] [stdout] test test_let ... ok
[INFO] [stdout] test test_let_again ... ok
[INFO] [stdout] test test_mixed_formats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/if_let_with_pattern.rs (/opt/rustwide/target/debug/deps/if_let_with_pattern-9ce0593fa03787cc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_if_let ... ok
[INFO] [stdout] test test_let_with_braces_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loop_in_let.rs (/opt/rustwide/target/debug/deps/loop_in_let-341f857b0c5d527f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_loop_no_let_b ... ok
[INFO] [stdout] test test_no_loop_no_let_c ... ok
[INFO] [stdout] test test_loop_no_let ... ok
[INFO] [stdout] test test_let ... 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/match.rs (/opt/rustwide/target/debug/deps/match-c8472d2faf539747)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mixed-types.rs (/opt/rustwide/target/debug/deps/mixed_types-19651a86b823396b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mixed_formats_in_let ... ok
[INFO] [stdout] test mixed_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/with_template.rs (/opt/rustwide/target/debug/deps/with_template-b7831e65cf1de60a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test foo ... ok
[INFO] [stdout] test from_file ... ok
[INFO] [stdout] test from_delimiters ... ok
[INFO] [stdout] test from_file_base ... ok
[INFO] [stdout] test testing_if ... ok
[INFO] [stdout] test from_file_include ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/write_as.rs (/opt/rustwide/target/debug/deps/write_as-6302e0f90dbf8ad1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test write_integer ... ok
[INFO] [stdout] test write_nice_loop_strings ... ok
[INFO] [stdout] test write_nice_loop ... ok
[INFO] [stdout] test write_to_mut_ref_string ... ok
[INFO] [stdout] test write_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests display-as
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 156) ... ignored
[INFO] [stdout] test src/lib.rs - (line 178) ... ignored
[INFO] [stdout] test src/lib.rs - (line 183) ... ignored
[INFO] [stdout] test src/lib.rs - (line 188) ... ignored
[INFO] [stdout] test src/lib.rs - (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 133) ... ok
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/lib.rs - (line 193) ... ok
[INFO] [stdout] test src/html.rs - display_floats_as (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8451f286d6ca14ca5700639ae62aa2bdd72e11a8522731147ffb30ae46d8689d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8451f286d6ca14ca5700639ae62aa2bdd72e11a8522731147ffb30ae46d8689d", kill_on_drop: false }`
[INFO] [stdout] 8451f286d6ca14ca5700639ae62aa2bdd72e11a8522731147ffb30ae46d8689d