[INFO] fetching crate flippy 0.4.2...
[INFO] checking flippy-0.4.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate flippy 0.4.2 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flippy 0.4.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac5a5f1f181ab0faf8745a9f992624aa7624ee2041ec1d11147052b401cd14a2
[INFO] running `Command { std: "docker" "start" "-a" "ac5a5f1f181ab0faf8745a9f992624aa7624ee2041ec1d11147052b401cd14a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5a5f1f181ab0faf8745a9f992624aa7624ee2041ec1d11147052b401cd14a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5a5f1f181ab0faf8745a9f992624aa7624ee2041ec1d11147052b401cd14a2", kill_on_drop: false }`
[INFO] [stdout] ac5a5f1f181ab0faf8745a9f992624aa7624ee2041ec1d11147052b401cd14a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fecb27fb6d8511d7a02f7f2d2dedbc5813a7daa568f1b76113ccf64fe64a778
[INFO] running `Command { std: "docker" "start" "-a" "4fecb27fb6d8511d7a02f7f2d2dedbc5813a7daa568f1b76113ccf64fe64a778", kill_on_drop: false }`
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[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] [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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "4fecb27fb6d8511d7a02f7f2d2dedbc5813a7daa568f1b76113ccf64fe64a778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fecb27fb6d8511d7a02f7f2d2dedbc5813a7daa568f1b76113ccf64fe64a778", kill_on_drop: false }`
[INFO] [stdout] 4fecb27fb6d8511d7a02f7f2d2dedbc5813a7daa568f1b76113ccf64fe64a778