[INFO] fetching crate mfmt 0.4.0...
[INFO] testing mfmt-0.4.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mfmt 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mfmt 0.4.0
[INFO] finished tweaking crates.io crate mfmt 0.4.0
[INFO] tweaked toml for crates.io crate mfmt 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mfmt 0.4.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mfmt 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a952333d92a99637bbf35098cd7e1b533a3e9ea08cd98a12fa273f4c8e77d5f
[INFO] running `Command { std: "docker" "start" "-a" "0a952333d92a99637bbf35098cd7e1b533a3e9ea08cd98a12fa273f4c8e77d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a952333d92a99637bbf35098cd7e1b533a3e9ea08cd98a12fa273f4c8e77d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a952333d92a99637bbf35098cd7e1b533a3e9ea08cd98a12fa273f4c8e77d5f", kill_on_drop: false }`
[INFO] [stdout] 0a952333d92a99637bbf35098cd7e1b533a3e9ea08cd98a12fa273f4c8e77d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292906fceb7932a492678ef8ffc752c73ee1bfb0b078ede58c6a269dbccf8f51
[INFO] running `Command { std: "docker" "start" "-a" "292906fceb7932a492678ef8ffc752c73ee1bfb0b078ede58c6a269dbccf8f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling mfmt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/build.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document {
[INFO] [stdout]    |                                  ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "292906fceb7932a492678ef8ffc752c73ee1bfb0b078ede58c6a269dbccf8f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292906fceb7932a492678ef8ffc752c73ee1bfb0b078ede58c6a269dbccf8f51", kill_on_drop: false }`
[INFO] [stdout] 292906fceb7932a492678ef8ffc752c73ee1bfb0b078ede58c6a269dbccf8f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2adbf37e83186c512c14cdb87ac6576913e953595bfec9697c1663e53b94ba
[INFO] running `Command { std: "docker" "start" "-a" "ba2adbf37e83186c512c14cdb87ac6576913e953595bfec9697c1663e53b94ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/build.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document {
[INFO] [stdout]    |                                  ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mfmt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/build.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document {
[INFO] [stdout]    |                                  ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const fn line_suffix(string: &str) -> Document<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ba2adbf37e83186c512c14cdb87ac6576913e953595bfec9697c1663e53b94ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2adbf37e83186c512c14cdb87ac6576913e953595bfec9697c1663e53b94ba", kill_on_drop: false }`
[INFO] [stdout] ba2adbf37e83186c512c14cdb87ac6576913e953595bfec9697c1663e53b94ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f0e06f3a048bae95513a7509cea497b180d32c76d327d66633573f9e804ccef
[INFO] running `Command { std: "docker" "start" "-a" "5f0e06f3a048bae95513a7509cea497b180d32c76d327d66633573f9e804ccef", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/build.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const fn line_suffix(string: &str) -> Document {
[INFO] [stderr]    |                                  ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const fn line_suffix(string: &str) -> Document<'_> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mfmt` (lib) generated 1 warning (run `cargo fix --lib -p mfmt` to apply 1 suggestion)
[INFO] [stderr] warning: `mfmt` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mfmt-e3446829e20aeaa4)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test build::builder::tests::build_offside ... ok
[INFO] [stdout] test format::tests::group::format_broken_group ... ok
[INFO] [stdout] test format::tests::format_string ... ok
[INFO] [stdout] test format::tests::line_suffix::format_line_suffix_between_strings ... ok
[INFO] [stdout] test format::tests::group::format_unbroken_group_in_broken_group ... ok
[INFO] [stdout] test format::tests::group::format_empty_line_with_indent ... ok
[INFO] [stdout] test format::tests::group::format_flat_group ... ok
[INFO] [stdout] test format::tests::offside::format_broken_group ... ok
[INFO] [stdout] test format::tests::offside::format_flat_group ... ok
[INFO] [stdout] test format::tests::offside::nested::format_broken_outer_with_broken_inner ... ok
[INFO] [stdout] test format::tests::offside::nested::format_broken_outer_with_flat_inner ... ok
[INFO] [stdout] test format::tests::offside::nested::format_flat_outer_with_flat_inner ... ok
[INFO] [stdout] test format::tests::offside::nested::format_two_flat_groups ... ok
[INFO] [stdout] test format::tests::offside::soft::format_equal_indent ... ok
[INFO] [stdout] test format::tests::line_suffix::format_two_line_suffixes_between_strings ... ok
[INFO] [stdout] test format::tests::offside::soft::format_less_indent ... ok
[INFO] [stdout] test format::tests::offside::soft::format_more_indent ... ok
[INFO] [stdout] test format::tests::space::format_broken_group_with_four_spaces ... ok
[INFO] [stdout] test format::tests::space::format_broken_group_with_space ... ok
[INFO] [stdout] test format::tests::space::format_broken_group_with_tab ... ok
[INFO] [stdout] test utility::tests::check_break ... ok
[INFO] [stdout] test utility::tests::check_empty ... ok
[INFO] [stdout] test format::tests::offside::nested::format_flat_outer_with_broken_inner ... ok
[INFO] [stdout] test format::tests::space::format_broken_group_with_two_spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mfmt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 24) ... 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] running `Command { std: "docker" "inspect" "5f0e06f3a048bae95513a7509cea497b180d32c76d327d66633573f9e804ccef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0e06f3a048bae95513a7509cea497b180d32c76d327d66633573f9e804ccef", kill_on_drop: false }`
[INFO] [stdout] 5f0e06f3a048bae95513a7509cea497b180d32c76d327d66633573f9e804ccef