[INFO] cloning repository https://github.com/SReichelt/enum_trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SReichelt/enum_trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSReichelt%2Fenum_trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSReichelt%2Fenum_trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2f85f0c56cd4a19c9b59da65269a9aa512f36d8
[INFO] checking SReichelt/enum_trait against master#3391c0133661be933c3ef24edf1867d71b9f206b for pr-149195-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSReichelt%2Fenum_trait" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SReichelt/enum_trait
[INFO] finished tweaking git repo https://github.com/SReichelt/enum_trait
[INFO] tweaked toml for git repo https://github.com/SReichelt/enum_trait written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SReichelt/enum_trait on toolchain 3391c0133661be933c3ef24edf1867d71b9f206b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3391c0133661be933c3ef24edf1867d71b9f206b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SReichelt/enum_trait 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" "+3391c0133661be933c3ef24edf1867d71b9f206b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded generic-array v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded syn v2.0.60
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3391c0133661be933c3ef24edf1867d71b9f206b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1024eab43a803d08ba18bcc5a0660bb287686395e0de3494d44a52fdee6bf69
[INFO] running `Command { std: "docker" "start" "-a" "e1024eab43a803d08ba18bcc5a0660bb287686395e0de3494d44a52fdee6bf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1024eab43a803d08ba18bcc5a0660bb287686395e0de3494d44a52fdee6bf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1024eab43a803d08ba18bcc5a0660bb287686395e0de3494d44a52fdee6bf69", kill_on_drop: false }`
[INFO] [stdout] e1024eab43a803d08ba18bcc5a0660bb287686395e0de3494d44a52fdee6bf69
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3391c0133661be933c3ef24edf1867d71b9f206b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfcfe5f7e87bf3e846ca8dea5f2a67c7c36e4c45eb9a2c74a253273aebdb4c24
[INFO] running `Command { std: "docker" "start" "-a" "bfcfe5f7e87bf3e846ca8dea5f2a67c7c36e4c45eb9a2c74a253273aebdb4c24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.60
[INFO] [stderr]     Checking enum_trait v0.1.0 (/opt/rustwide/workdir/enum_trait)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> enum_trait/src/item.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn output(&self) -> Result<OutputMetaItemList> {
[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] 24 |     pub fn output(&self) -> Result<OutputMetaItemList<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> enum_trait/src/item.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn output(&self) -> Result<OutputMetaItemList> {
[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] 24 |     pub fn output(&self) -> Result<OutputMetaItemList<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> enum_trait/src/item.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn output(&self) -> Result<OutputMetaItemList> {
[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] 24 |     pub fn output(&self) -> Result<OutputMetaItemList<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking enum_trait_core v0.1.0 (/opt/rustwide/workdir/enum_trait_core)
[INFO] [stderr]     Checking enum_trait_test v0.1.0 (/opt/rustwide/workdir/enum_trait_test)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.37s
[INFO] running `Command { std: "docker" "inspect" "bfcfe5f7e87bf3e846ca8dea5f2a67c7c36e4c45eb9a2c74a253273aebdb4c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcfe5f7e87bf3e846ca8dea5f2a67c7c36e4c45eb9a2c74a253273aebdb4c24", kill_on_drop: false }`
[INFO] [stdout] bfcfe5f7e87bf3e846ca8dea5f2a67c7c36e4c45eb9a2c74a253273aebdb4c24