[INFO] fetching crate flippy 0.4.2...
[INFO] testing flippy-0.4.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate flippy 0.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flippy 0.4.2
[INFO] finished tweaking crates.io crate flippy 0.4.2
[INFO] tweaked toml for crates.io crate flippy 0.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flippy 0.4.2 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 flippy 0.4.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b54dbc1ff489f46b035fd0cb9ff1e82fc72acf75e7d882042802d425225167
[INFO] running `Command { std: "docker" "start" "-a" "50b54dbc1ff489f46b035fd0cb9ff1e82fc72acf75e7d882042802d425225167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b54dbc1ff489f46b035fd0cb9ff1e82fc72acf75e7d882042802d425225167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b54dbc1ff489f46b035fd0cb9ff1e82fc72acf75e7d882042802d425225167", kill_on_drop: false }`
[INFO] [stdout] 50b54dbc1ff489f46b035fd0cb9ff1e82fc72acf75e7d882042802d425225167
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d868073d63f654709245d51fe43566d188c460d975aa7f4a8d7af4966aa6a2a1
[INFO] running `Command { std: "docker" "start" "-a" "d868073d63f654709245d51fe43566d188c460d975aa7f4a8d7af4966aa6a2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling rustls-platform-verifier v0.5.3
[INFO] [stderr]    Compiling gix-transport v0.47.0
[INFO] [stderr]    Compiling gix-protocol v0.50.1
[INFO] [stderr]    Compiling gix v0.72.1
[INFO] [stderr]    Compiling flippy v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/mapping.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn info(&self) -> MappingInfo {
[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] 54 |     pub fn info(&self) -> MappingInfo<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/mapping.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping> {
[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] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 17s
[INFO] running `Command { std: "docker" "inspect" "d868073d63f654709245d51fe43566d188c460d975aa7f4a8d7af4966aa6a2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d868073d63f654709245d51fe43566d188c460d975aa7f4a8d7af4966aa6a2a1", kill_on_drop: false }`
[INFO] [stdout] d868073d63f654709245d51fe43566d188c460d975aa7f4a8d7af4966aa6a2a1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3a089d53499f52e49151cfcf4ee69aeb9cde741041acba468a61b9bc8f8ff7
[INFO] running `Command { std: "docker" "start" "-a" "3e3a089d53499f52e49151cfcf4ee69aeb9cde741041acba468a61b9bc8f8ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling flippy v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/mapping.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn info(&self) -> MappingInfo {
[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] 54 |     pub fn info(&self) -> MappingInfo<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/mapping.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping> {
[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] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "3e3a089d53499f52e49151cfcf4ee69aeb9cde741041acba468a61b9bc8f8ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3a089d53499f52e49151cfcf4ee69aeb9cde741041acba468a61b9bc8f8ff7", kill_on_drop: false }`
[INFO] [stdout] 3e3a089d53499f52e49151cfcf4ee69aeb9cde741041acba468a61b9bc8f8ff7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ec93e1b8894d35aa7e417cffac4a484d3d8c3ee3858312418c0443ee006d000
[INFO] running `Command { std: "docker" "start" "-a" "9ec93e1b8894d35aa7e417cffac4a484d3d8c3ee3858312418c0443ee006d000", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types/mapping.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn info(&self) -> MappingInfo {
[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] 54 |     pub fn info(&self) -> MappingInfo<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types/mapping.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping> {
[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] 93 |     pub fn iter(&self) -> impl Iterator<Item = Mapping<'_>> {
[INFO] [stderr]    |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `flippy` (bin "flippy" test) generated 2 warnings (run `cargo fix --bin "flippy" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flippy-40d74bc801993f17)
[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" "9ec93e1b8894d35aa7e417cffac4a484d3d8c3ee3858312418c0443ee006d000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec93e1b8894d35aa7e417cffac4a484d3d8c3ee3858312418c0443ee006d000", kill_on_drop: false }`
[INFO] [stdout] 9ec93e1b8894d35aa7e417cffac4a484d3d8c3ee3858312418c0443ee006d000