[INFO] fetching crate strprintf 0.1.0...
[INFO] testing strprintf-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate strprintf 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate strprintf 0.1.0
[INFO] finished tweaking crates.io crate strprintf 0.1.0
[INFO] tweaked toml for crates.io crate strprintf 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strprintf 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f157e4431fb688286cad3de21a68d58979e530324f5d39a92ae059b009ed6a8
[INFO] running `Command { std: "docker" "start" "-a" "4f157e4431fb688286cad3de21a68d58979e530324f5d39a92ae059b009ed6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f157e4431fb688286cad3de21a68d58979e530324f5d39a92ae059b009ed6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f157e4431fb688286cad3de21a68d58979e530324f5d39a92ae059b009ed6a8", kill_on_drop: false }`
[INFO] [stdout] 4f157e4431fb688286cad3de21a68d58979e530324f5d39a92ae059b009ed6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63132c4edcaaf5c5c4ea713081968dcf4c8e15941c19d72ac2f8a6d63d90d8c0
[INFO] running `Command { std: "docker" "start" "-a" "63132c4edcaaf5c5c4ea713081968dcf4c8e15941c19d72ac2f8a6d63d90d8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling strprintf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "63132c4edcaaf5c5c4ea713081968dcf4c8e15941c19d72ac2f8a6d63d90d8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63132c4edcaaf5c5c4ea713081968dcf4c8e15941c19d72ac2f8a6d63d90d8c0", kill_on_drop: false }`
[INFO] [stdout] 63132c4edcaaf5c5c4ea713081968dcf4c8e15941c19d72ac2f8a6d63d90d8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36e7b48fce20f4a63966cafefb03ec3c00bbc176958999f3dcc400ed8bb5ffd7
[INFO] running `Command { std: "docker" "start" "-a" "36e7b48fce20f4a63966cafefb03ec3c00bbc176958999f3dcc400ed8bb5ffd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling strprintf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "36e7b48fce20f4a63966cafefb03ec3c00bbc176958999f3dcc400ed8bb5ffd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e7b48fce20f4a63966cafefb03ec3c00bbc176958999f3dcc400ed8bb5ffd7", kill_on_drop: false }`
[INFO] [stdout] 36e7b48fce20f4a63966cafefb03ec3c00bbc176958999f3dcc400ed8bb5ffd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f186c70a7f7a468ceb1770da42b328069f6f931771a741b178f2b401d4c490c1
[INFO] running `Command { std: "docker" "start" "-a" "f186c70a7f7a468ceb1770da42b328069f6f931771a741b178f2b401d4c490c1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/strprintf-2ad82d93a918f398)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test specifiers_iterator::tests::each_returned_string_contains_one_specifier ... ok
[INFO] [stdout] test specifiers_iterator::tests::does_not_split_escaped_percent_sign ... ok
[INFO] [stdout] test specifiers_iterator::tests::is_immediately_exhausted_if_given_and_empty_string ... ok
[INFO] [stdout] test specifiers_iterator::tests::returns_whole_original_string_if_there_are_no_specifiers ... ok
[INFO] [stdout] test specifiers_iterator::tests::splits_2_megabyte_string ... ok
[INFO] [stdout] test specifiers_iterator::tests::returns_specifiers_one_by_one_until_exhausted ... ok
[INFO] [stdout] test tests::formats_all_null_pointers_the_same ... ok
[INFO] [stdout] test tests::formats_borrowed_string ... ok
[INFO] [stdout] test tests::formats_double ... ok
[INFO] [stdout] test tests::formats_float ... ok
[INFO] [stdout] test tests::formats_i32 ... ok
[INFO] [stdout] test tests::formats_i64 ... ok
[INFO] [stdout] test tests::formats_moved_string ... ok
[INFO] [stdout] test tests::formats_pointers ... ok
[INFO] [stdout] test tests::formats_str_slice ... ok
[INFO] [stdout] test tests::formats_u32 ... ok
[INFO] [stdout] test tests::formats_u64 ... ok
[INFO] [stdout] test tests::returns_first_argument_if_it_is_the_only_one ... ok
[INFO] [stdout] test tests::replaces_printf_format_with_text_representation_of_an_argument ... ok
[INFO] [stdout] test tests::formats_2_megabyte_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strprintf
[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] running `Command { std: "docker" "inspect" "f186c70a7f7a468ceb1770da42b328069f6f931771a741b178f2b401d4c490c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f186c70a7f7a468ceb1770da42b328069f6f931771a741b178f2b401d4c490c1", kill_on_drop: false }`
[INFO] [stdout] f186c70a7f7a468ceb1770da42b328069f6f931771a741b178f2b401d4c490c1