[INFO] fetching crate poco-scheme 0.0.1...
[INFO] checking poco-scheme-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate poco-scheme 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate poco-scheme 0.0.1
[INFO] finished tweaking crates.io crate poco-scheme 0.0.1
[INFO] tweaked toml for crates.io crate poco-scheme 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate poco-scheme 0.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poco-scheme 0.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.8
[INFO] [stderr]   Downloaded gc v0.3.3
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded lexpr-macros v0.2.0
[INFO] [stderr]   Downloaded lexpr v0.2.3
[INFO] [stderr]   Downloaded syn v0.15.40
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1202d9f4bc18232af3105b040cc06b57cf67c1d5bafb5d42800c2d1b2a4ee438
[INFO] running `Command { std: "docker" "start" "-a" "1202d9f4bc18232af3105b040cc06b57cf67c1d5bafb5d42800c2d1b2a4ee438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1202d9f4bc18232af3105b040cc06b57cf67c1d5bafb5d42800c2d1b2a4ee438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1202d9f4bc18232af3105b040cc06b57cf67c1d5bafb5d42800c2d1b2a4ee438", kill_on_drop: false }`
[INFO] [stdout] 1202d9f4bc18232af3105b040cc06b57cf67c1d5bafb5d42800c2d1b2a4ee438
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ecc3a37b29ad2bc3c3ea8df687af315e246b7623a3535be58142e32e64fc9ce
[INFO] running `Command { std: "docker" "start" "-a" "2ecc3a37b29ad2bc3c3ea8df687af315e246b7623a3535be58142e32e64fc9ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking gc v0.3.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling lexpr-macros v0.2.0
[INFO] [stderr]     Checking lexpr v0.2.3
[INFO] [stderr]     Checking poco-scheme v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/vm.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn process<S, E>(&mut self, source: S) -> Processor<S::IntoIter>
[INFO] [stdout]    |                          ^^^^^^^^^                ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn process<S, E>(&mut self, source: S) -> Processor<'_, S::IntoIter>
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/vm.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn process<S, E>(&mut self, source: S) -> Processor<S::IntoIter>
[INFO] [stdout]    |                          ^^^^^^^^^                ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn process<S, E>(&mut self, source: S) -> Processor<'_, S::IntoIter>
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "2ecc3a37b29ad2bc3c3ea8df687af315e246b7623a3535be58142e32e64fc9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecc3a37b29ad2bc3c3ea8df687af315e246b7623a3535be58142e32e64fc9ce", kill_on_drop: false }`
[INFO] [stdout] 2ecc3a37b29ad2bc3c3ea8df687af315e246b7623a3535be58142e32e64fc9ce