[INFO] fetching crate rfc2047 0.1.1...
[INFO] testing rfc2047-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate rfc2047 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rfc2047 0.1.1
[INFO] finished tweaking crates.io crate rfc2047 0.1.1
[INFO] tweaked toml for crates.io crate rfc2047 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfc2047 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40853f97461e5764ea361adac491ffc32d7b2f02607fbb9aec526856cfd2b01
[INFO] running `Command { std: "docker" "start" "-a" "f40853f97461e5764ea361adac491ffc32d7b2f02607fbb9aec526856cfd2b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40853f97461e5764ea361adac491ffc32d7b2f02607fbb9aec526856cfd2b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40853f97461e5764ea361adac491ffc32d7b2f02607fbb9aec526856cfd2b01", kill_on_drop: false }`
[INFO] [stdout] f40853f97461e5764ea361adac491ffc32d7b2f02607fbb9aec526856cfd2b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aa1da3eb8d06f0dab59886bb4a23a008710039455c856f489d8b2b3d5420b0e
[INFO] running `Command { std: "docker" "start" "-a" "4aa1da3eb8d06f0dab59886bb4a23a008710039455c856f489d8b2b3d5420b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfc2047 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/encode.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<str> {
[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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "4aa1da3eb8d06f0dab59886bb4a23a008710039455c856f489d8b2b3d5420b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa1da3eb8d06f0dab59886bb4a23a008710039455c856f489d8b2b3d5420b0e", kill_on_drop: false }`
[INFO] [stdout] 4aa1da3eb8d06f0dab59886bb4a23a008710039455c856f489d8b2b3d5420b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e705ca051070f7e747419c336a5a77c3b3880b9b83f98806b03ee365b31355a
[INFO] running `Command { std: "docker" "start" "-a" "9e705ca051070f7e747419c336a5a77c3b3880b9b83f98806b03ee365b31355a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfc2047 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/encode.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<str> {
[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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/encode.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<str> {
[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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "9e705ca051070f7e747419c336a5a77c3b3880b9b83f98806b03ee365b31355a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e705ca051070f7e747419c336a5a77c3b3880b9b83f98806b03ee365b31355a", kill_on_drop: false }`
[INFO] [stdout] 9e705ca051070f7e747419c336a5a77c3b3880b9b83f98806b03ee365b31355a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64c0d31f3601303c472ed9a461ea936c6dea8eff114a8999a5ca0d1e9f466ea8
[INFO] running `Command { std: "docker" "start" "-a" "64c0d31f3601303c472ed9a461ea936c6dea8eff114a8999a5ca0d1e9f466ea8", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/encode.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<str> {
[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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> {
[INFO] [stderr]   |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rfc2047` (lib) generated 1 warning (run `cargo fix --lib -p rfc2047` to apply 1 suggestion)
[INFO] [stderr] warning: `rfc2047` (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/rfc2047-1c444ae655e849d6)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test encode::tests::encoded_adjacent_in_middle ... ok
[INFO] [stdout] test encode::tests::encoded_adjacent_with_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_long ... ok
[INFO] [stdout] test encode::tests::encoded_surrounding_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_trailing_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_leading_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_word ... ok
[INFO] [stdout] test encode::tests::just_ascii ... ok
[INFO] [stdout] test encode::tests::just_whitespace ... ok
[INFO] [stdout] test encode::tests::single_char ... ok
[INFO] [stdout] test encode::tests::single_char_multi ... ok
[INFO] [stdout] test encode::tests::encoded_at_start ... ok
[INFO] [stdout] test encode::tests::encoded_at_end ... ok
[INFO] [stderr]    Doc-tests rfc2047
[INFO] [stdout] test encode::tests::encoded_in_middle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "64c0d31f3601303c472ed9a461ea936c6dea8eff114a8999a5ca0d1e9f466ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c0d31f3601303c472ed9a461ea936c6dea8eff114a8999a5ca0d1e9f466ea8", kill_on_drop: false }`
[INFO] [stdout] 64c0d31f3601303c472ed9a461ea936c6dea8eff114a8999a5ca0d1e9f466ea8
