[INFO] fetching crate cache_cache 0.1.1...
[INFO] checking cache_cache-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate cache_cache 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cache_cache 0.1.1
[INFO] finished tweaking crates.io crate cache_cache 0.1.1
[INFO] tweaked toml for crates.io crate cache_cache 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cache_cache 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f4ba56af96f91ed4851c9c2e9da2cd33bfe11e985bea9b64ef76d072ff02de0
[INFO] running `Command { std: "docker" "start" "-a" "4f4ba56af96f91ed4851c9c2e9da2cd33bfe11e985bea9b64ef76d072ff02de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f4ba56af96f91ed4851c9c2e9da2cd33bfe11e985bea9b64ef76d072ff02de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4ba56af96f91ed4851c9c2e9da2cd33bfe11e985bea9b64ef76d072ff02de0", kill_on_drop: false }`
[INFO] [stdout] 4f4ba56af96f91ed4851c9c2e9da2cd33bfe11e985bea9b64ef76d072ff02de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a35b2f0c2575eee112c4a67f53894afa08fc7b41d8a3ce067512e63dc4107bf
[INFO] running `Command { std: "docker" "start" "-a" "3a35b2f0c2575eee112c4a67f53894afa08fc7b41d8a3ce067512e63dc4107bf", kill_on_drop: false }`
[INFO] [stderr]     Checking cache_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'_, K, V> {
[INFO] [stdout]     |                         ^^                  ^^                 -- the same lifetime is elided here
[INFO] [stdout]     |                         |                   |
[INFO] [stdout]     |                         |                   the lifetime is named here
[INFO] [stdout]     |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 137 -     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'_, K, V> {
[INFO] [stdout] 137 +     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'a, K, V> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'_, K, V> {
[INFO] [stdout]     |                         ^^                  ^^                 -- the same lifetime is elided here
[INFO] [stdout]     |                         |                   |
[INFO] [stdout]     |                         |                   the lifetime is named here
[INFO] [stdout]     |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 137 -     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'_, K, V> {
[INFO] [stdout] 137 +     pub fn entries<'a>(&'a mut self, keys: &'a [K]) -> Entries<'a, K, V> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3a35b2f0c2575eee112c4a67f53894afa08fc7b41d8a3ce067512e63dc4107bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a35b2f0c2575eee112c4a67f53894afa08fc7b41d8a3ce067512e63dc4107bf", kill_on_drop: false }`
[INFO] [stdout] 3a35b2f0c2575eee112c4a67f53894afa08fc7b41d8a3ce067512e63dc4107bf