[INFO] fetching crate ravencol 0.1.4...
[INFO] building ravencol-0.1.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ravencol 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ravencol 0.1.4
[INFO] finished tweaking crates.io crate ravencol 0.1.4
[INFO] tweaked toml for crates.io crate ravencol 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ravencol 0.1.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ravencol 0.1.4 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c3a71b04c02c800e26253c61740a13b2cc6d0f77a2fb5b5d53836a6dbbe2fae
[INFO] running `Command { std: "docker" "start" "-a" "9c3a71b04c02c800e26253c61740a13b2cc6d0f77a2fb5b5d53836a6dbbe2fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c3a71b04c02c800e26253c61740a13b2cc6d0f77a2fb5b5d53836a6dbbe2fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3a71b04c02c800e26253c61740a13b2cc6d0f77a2fb5b5d53836a6dbbe2fae", kill_on_drop: false }`
[INFO] [stdout] 9c3a71b04c02c800e26253c61740a13b2cc6d0f77a2fb5b5d53836a6dbbe2fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0adcc0e5b6c672954c0c4e5ee20ee7346626053cdf4799cc71467f74314fab
[INFO] running `Command { std: "docker" "start" "-a" "2e0adcc0e5b6c672954c0c4e5ee20ee7346626053cdf4799cc71467f74314fab", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling ravencol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden 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] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "2e0adcc0e5b6c672954c0c4e5ee20ee7346626053cdf4799cc71467f74314fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0adcc0e5b6c672954c0c4e5ee20ee7346626053cdf4799cc71467f74314fab", kill_on_drop: false }`
[INFO] [stdout] 2e0adcc0e5b6c672954c0c4e5ee20ee7346626053cdf4799cc71467f74314fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1829a05f1094f378406c71683a0759f41964a7d9c941d50c615baeca0a536f39
[INFO] running `Command { std: "docker" "start" "-a" "1829a05f1094f378406c71683a0759f41964a7d9c941d50c615baeca0a536f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling ravencol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden 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] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden 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] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "1829a05f1094f378406c71683a0759f41964a7d9c941d50c615baeca0a536f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1829a05f1094f378406c71683a0759f41964a7d9c941d50c615baeca0a536f39", kill_on_drop: false }`
[INFO] [stdout] 1829a05f1094f378406c71683a0759f41964a7d9c941d50c615baeca0a536f39
