[INFO] cloning repository https://github.com/kraktus/map-of-indexes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kraktus/map-of-indexes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraktus%2Fmap-of-indexes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraktus%2Fmap-of-indexes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c1bf5fde8f629a9b6e8a090b6439874307c3706
[INFO] checking kraktus/map-of-indexes/6c1bf5fde8f629a9b6e8a090b6439874307c3706 against master#36e2b8a3a7aad93f8a92db6d254b746aa94ed6da for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraktus%2Fmap-of-indexes" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kraktus/map-of-indexes
[INFO] finished tweaking git repo https://github.com/kraktus/map-of-indexes
[INFO] tweaked toml for git repo https://github.com/kraktus/map-of-indexes written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kraktus/map-of-indexes on toolchain 36e2b8a3a7aad93f8a92db6d254b746aa94ed6da
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kraktus/map-of-indexes 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" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb9659c47b1e06c1527a3b89a0811f8a703df45299071ce015ffec787f021395
[INFO] running `Command { std: "docker" "start" "-a" "fb9659c47b1e06c1527a3b89a0811f8a703df45299071ce015ffec787f021395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb9659c47b1e06c1527a3b89a0811f8a703df45299071ce015ffec787f021395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9659c47b1e06c1527a3b89a0811f8a703df45299071ce015ffec787f021395", kill_on_drop: false }`
[INFO] [stdout] fb9659c47b1e06c1527a3b89a0811f8a703df45299071ce015ffec787f021395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5182a73227c073cd722fa9587402bdd216437b16bc5486735906c4458e329e
[INFO] running `Command { std: "docker" "start" "-a" "ab5182a73227c073cd722fa9587402bdd216437b16bc5486735906c4458e329e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking map-of-indexes v0.1.5-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:214:78
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_element<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<&T> {
[INFO] [stdout]     |                             --                            --                 ^^ the same lifetime is elided here
[INFO] [stdout]     |                             |                             |
[INFO] [stdout]     |                             the lifetime is named here    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] 214 |     pub fn get_element<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<&'a T> {
[INFO] [stdout]     |                                                                               ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:219:91
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'_>>::V> {
[INFO] [stdout]     |                           -- the lifetime is named here -- the lifetime is named here     ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 219 -     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'_>>::V> {
[INFO] [stdout] 219 +     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'a>>::V> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:214:78
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_element<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<&T> {
[INFO] [stdout]     |                             --                            --                 ^^ the same lifetime is elided here
[INFO] [stdout]     |                             |                             |
[INFO] [stdout]     |                             the lifetime is named here    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] 214 |     pub fn get_element<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<&'a T> {
[INFO] [stdout]     |                                                                               ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:219:91
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'_>>::V> {
[INFO] [stdout]     |                           -- the lifetime is named here -- the lifetime is named here     ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 219 -     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'_>>::V> {
[INFO] [stdout] 219 +     pub fn get_value<'a>(&'a self, key: &<T as KeyValue<'a>>::K) -> Option<<T as KeyValue<'a>>::V> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "ab5182a73227c073cd722fa9587402bdd216437b16bc5486735906c4458e329e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5182a73227c073cd722fa9587402bdd216437b16bc5486735906c4458e329e", kill_on_drop: false }`
[INFO] [stdout] ab5182a73227c073cd722fa9587402bdd216437b16bc5486735906c4458e329e