[INFO] fetching crate rt-format 0.3.1...
[INFO] testing rt-format-0.3.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rt-format 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rt-format 0.3.1
[INFO] finished tweaking crates.io crate rt-format 0.3.1
[INFO] tweaked toml for crates.io crate rt-format 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rt-format 0.3.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ab52b27711a10d8d23f02e80121299a6db3d1ad301fda23c9c68a2ebaf3c7b8
[INFO] running `Command { std: "docker" "start" "-a" "6ab52b27711a10d8d23f02e80121299a6db3d1ad301fda23c9c68a2ebaf3c7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab52b27711a10d8d23f02e80121299a6db3d1ad301fda23c9c68a2ebaf3c7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab52b27711a10d8d23f02e80121299a6db3d1ad301fda23c9c68a2ebaf3c7b8", kill_on_drop: false }`
[INFO] [stdout] 6ab52b27711a10d8d23f02e80121299a6db3d1ad301fda23c9c68a2ebaf3c7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9201a6c2ad4072271af0d92524124d966a74144f50cd639180731898484401
[INFO] running `Command { std: "docker" "start" "-a" "3c9201a6c2ad4072271af0d92524124d966a74144f50cd639180731898484401", kill_on_drop: false }`
[INFO] [stderr]    Compiling rt-format v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "3c9201a6c2ad4072271af0d92524124d966a74144f50cd639180731898484401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9201a6c2ad4072271af0d92524124d966a74144f50cd639180731898484401", kill_on_drop: false }`
[INFO] [stdout] 3c9201a6c2ad4072271af0d92524124d966a74144f50cd639180731898484401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df4aad4b73a5cbb72f0a6c04a3e5ae67995a29e3419d2304982bb5be9723d1b
[INFO] running `Command { std: "docker" "start" "-a" "7df4aad4b73a5cbb72f0a6c04a3e5ae67995a29e3419d2304982bb5be9723d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rt-format v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "7df4aad4b73a5cbb72f0a6c04a3e5ae67995a29e3419d2304982bb5be9723d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df4aad4b73a5cbb72f0a6c04a3e5ae67995a29e3419d2304982bb5be9723d1b", kill_on_drop: false }`
[INFO] [stdout] 7df4aad4b73a5cbb72f0a6c04a3e5ae67995a29e3419d2304982bb5be9723d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca6ed9759468248165e6896fd780a04b4f5c2fa633bd0a450e6f72fc7ac7b13d
[INFO] running `Command { std: "docker" "start" "-a" "ca6ed9759468248165e6896fd780a04b4f5c2fa633bd0a450e6f72fc7ac7b13d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rt_format-619710f37b21c6f6)
[INFO] [stderr]      Running tests/test_output.rs (/opt/rustwide/target/debug/deps/test_output-bfad5d1938e80bce)
[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] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test format_lower_hex ... ok
[INFO] [stdout] test format_lower_exp ... ok
[INFO] [stdout] test format_display ... ok
[INFO] [stdout] test align_center ... ok
[INFO] [stdout] test align_left ... ok
[INFO] [stdout] test format_binary ... ok
[INFO] [stdout] test align_right ... ok
[INFO] [stdout] test pad_zero ... ok
[INFO] [stdout] test format_debug ... ok
[INFO] [stdout] test precision_by_index ... ok
[INFO] [stdout] test precision_by_name ... ok
[INFO] [stdout] test precision_embedded ... ok
[INFO] [stdout] test repr_alt_binary ... ok
[INFO] [stdout] test format_upper_exp ... ok
[INFO] [stdout] test format_upper_hex ... ok
[INFO] [stdout] test precision_by_asterisk ... ok
[INFO] [stdout] test repr_alt_lower_hex ... ok
[INFO] [stdout] test repr_alt_octal ... ok
[INFO] [stdout] test sign_always ... ok
[INFO] [stdout] test repr_alt_upper_hex ... ok
[INFO] [stdout] test width_by_name ... ok
[INFO] [stdout] test smoke_test ... ok
[INFO] [stdout] test width_by_index ... ok
[INFO] [stdout] test width_embedded ... ok
[INFO] [stdout] test format_octal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_parser.rs (/opt/rustwide/target/debug/deps/test_parser-326aba72e3eff7e3)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test escaped_braces ... ok
[INFO] [stdout] test missing_positional_arg ... ok
[INFO] [stdout] test missing_named_width ... ok
[INFO] [stdout] test missing_named_precision ... ok
[INFO] [stdout] test missing_asterisk_precision ... ok
[INFO] [stdout] test missing_positional_width ... ok
[INFO] [stdout] test missing_positional_precision ... ok
[INFO] [stdout] test invalid_arg_position ... ok
[INFO] [stdout] test named_arg_lookup ... ok
[INFO] [stdout] test missing_named_arg ... ok
[INFO] [stdout] test missing_next_arg ... ok
[INFO] [stdout] test unmatched_brace ... ok
[INFO] [stdout] test named_argument_validity ... ok
[INFO] [stdout] test invalid_specifier ... ok
[INFO] [stdout] test positional_arg_iter ... ok
[INFO] [stdout] test positional_arg_lookup ... ok
[INFO] [stderr]      Running tests/test_traits.rs (/opt/rustwide/target/debug/deps/test_traits-46855068263e8633)
[INFO] [stdout] test parse_specifier_smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test specifier_traits ... 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]    Doc-tests rt_format
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/codegen.rs - codegen (line 15) ... ignored
[INFO] [stdout] test src/codegen.rs - codegen (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca6ed9759468248165e6896fd780a04b4f5c2fa633bd0a450e6f72fc7ac7b13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6ed9759468248165e6896fd780a04b4f5c2fa633bd0a450e6f72fc7ac7b13d", kill_on_drop: false }`
[INFO] [stdout] ca6ed9759468248165e6896fd780a04b4f5c2fa633bd0a450e6f72fc7ac7b13d