[INFO] fetching crate slippers 0.1.4...
[INFO] testing slippers-0.1.4 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate slippers 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate slippers 0.1.4
[INFO] finished tweaking crates.io crate slippers 0.1.4
[INFO] tweaked toml for crates.io crate slippers 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slippers 0.1.4 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 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexlit v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 68eff3989d7ed7e757c41899d69ebf68264bfb1bcf64897fca8a8116952a4d74
[INFO] running `Command { std: "docker" "start" "-a" "68eff3989d7ed7e757c41899d69ebf68264bfb1bcf64897fca8a8116952a4d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68eff3989d7ed7e757c41899d69ebf68264bfb1bcf64897fca8a8116952a4d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68eff3989d7ed7e757c41899d69ebf68264bfb1bcf64897fca8a8116952a4d74", kill_on_drop: false }`
[INFO] [stdout] 68eff3989d7ed7e757c41899d69ebf68264bfb1bcf64897fca8a8116952a4d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ad42d3245a0cdc20ed2fea4fc0ea3f2b96478ba10163fa6455677504394fb512
[INFO] running `Command { std: "docker" "start" "-a" "ad42d3245a0cdc20ed2fea4fc0ea3f2b96478ba10163fa6455677504394fb512", kill_on_drop: false }`
[INFO] [stderr]    Compiling slippers v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> SlipDecoderIterator {
[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] 135 |     pub fn iter(&self) -> SlipDecoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ad42d3245a0cdc20ed2fea4fc0ea3f2b96478ba10163fa6455677504394fb512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad42d3245a0cdc20ed2fea4fc0ea3f2b96478ba10163fa6455677504394fb512", kill_on_drop: false }`
[INFO] [stdout] ad42d3245a0cdc20ed2fea4fc0ea3f2b96478ba10163fa6455677504394fb512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 602da2f92bb2b53404359222ca134cffb85d4dc06e101758e0d0eb7454530893
[INFO] running `Command { std: "docker" "start" "-a" "602da2f92bb2b53404359222ca134cffb85d4dc06e101758e0d0eb7454530893", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexlit v0.5.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> SlipDecoderIterator {
[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] 135 |     pub fn iter(&self) -> SlipDecoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slippers v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> SlipDecoderIterator {
[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] 135 |     pub fn iter(&self) -> SlipDecoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter(&self) -> SlipEncoderIterator<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "602da2f92bb2b53404359222ca134cffb85d4dc06e101758e0d0eb7454530893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602da2f92bb2b53404359222ca134cffb85d4dc06e101758e0d0eb7454530893", kill_on_drop: false }`
[INFO] [stdout] 602da2f92bb2b53404359222ca134cffb85d4dc06e101758e0d0eb7454530893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 851291f3551fe82ecbb0f5e559ca7121a31152f661c614ba33192aa663b259f5
[INFO] running `Command { std: "docker" "start" "-a" "851291f3551fe82ecbb0f5e559ca7121a31152f661c614ba33192aa663b259f5", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn iter(&self) -> SlipDecoderIterator {
[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] 135 |     pub fn iter(&self) -> SlipDecoderIterator<'_> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub fn iter(&self) -> SlipEncoderIterator {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub fn iter(&self) -> SlipEncoderIterator<'_> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `slippers` (lib) generated 2 warnings (run `cargo fix --lib -p slippers` to apply 2 suggestions)
[INFO] [stderr] warning: `slippers` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slippers-84497850815a97de)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::decode_empty ... ok
[INFO] [stdout] test tests::decode_two_packets ... ok
[INFO] [stdout] test tests::decode_with_escape_error ... ok
[INFO] [stdout] test tests::decode_with_escape_error_iter ... ok
[INFO] [stdout] test tests::decode_one_packet_iter ... ok
[INFO] [stdout] test tests::decode_empty_iter ... ok
[INFO] [stdout] test tests::decode_with_escaped_end ... ok
[INFO] [stdout] test tests::decode_with_escaped_esc ... ok
[INFO] [stdout] test tests::encode_two_packets ... ok
[INFO] [stdout] test tests::encode_with_escaped_end ... ok
[INFO] [stdout] test tests::decode_with_escaped_end_iter ... ok
[INFO] [stdout] test tests::encode_with_escaped_esc ... ok
[INFO] [stdout] test tests::encode_with_last_escaped_end ... ok
[INFO] [stdout] test tests::encode_with_last_escaped_esc ... ok
[INFO] [stdout] test tests::decode_with_escaped_esc_iter ... ok
[INFO] [stdout] test tests::decode_one_packet ... ok
[INFO] [stdout] test tests::encode_empty ... ok
[INFO] [stdout] test tests::encode_one_packet ... ok
[INFO] [stdout] test tests::decode_two_packets_iter ... ok
[INFO] [stderr]    Doc-tests slippers
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - SlipDecoder (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - SlipEncoder (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "851291f3551fe82ecbb0f5e559ca7121a31152f661c614ba33192aa663b259f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851291f3551fe82ecbb0f5e559ca7121a31152f661c614ba33192aa663b259f5", kill_on_drop: false }`
[INFO] [stdout] 851291f3551fe82ecbb0f5e559ca7121a31152f661c614ba33192aa663b259f5