[INFO] fetching crate powerline 0.1.0...
[INFO] building powerline-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate powerline 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate powerline 0.1.0
[INFO] finished tweaking crates.io crate powerline 0.1.0
[INFO] tweaked toml for crates.io crate powerline 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate powerline 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate powerline 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f8e24eb08cf83a46b7d1045caa2bc1bb4847d0d8579d498effe0ae0ce067e2b
[INFO] running `Command { std: "docker" "start" "-a" "0f8e24eb08cf83a46b7d1045caa2bc1bb4847d0d8579d498effe0ae0ce067e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f8e24eb08cf83a46b7d1045caa2bc1bb4847d0d8579d498effe0ae0ce067e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8e24eb08cf83a46b7d1045caa2bc1bb4847d0d8579d498effe0ae0ce067e2b", kill_on_drop: false }`
[INFO] [stdout] 0f8e24eb08cf83a46b7d1045caa2bc1bb4847d0d8579d498effe0ae0ce067e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7c8865896ddb9731cbd08ee989ac6d82383d6b536fea7486fb25be74a14924
[INFO] running `Command { std: "docker" "start" "-a" "3c7c8865896ddb9731cbd08ee989ac6d82383d6b536fea7486fb25be74a14924", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling powerline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station> {
[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] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "3c7c8865896ddb9731cbd08ee989ac6d82383d6b536fea7486fb25be74a14924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7c8865896ddb9731cbd08ee989ac6d82383d6b536fea7486fb25be74a14924", kill_on_drop: false }`
[INFO] [stdout] 3c7c8865896ddb9731cbd08ee989ac6d82383d6b536fea7486fb25be74a14924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff845e6ab05621f54f8c8b29f30ad4b221a7547c1ded2387878a88a26bdb04e
[INFO] running `Command { std: "docker" "start" "-a" "fff845e6ab05621f54f8c8b29f30ad4b221a7547c1ded2387878a88a26bdb04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station> {
[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] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling powerline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station> {
[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] 71 |     pub fn stations(&self) -> impl ExactSizeIterator + Iterator<Item = Station<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/homeplug/discover_list.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn networks(&self) -> impl ExactSizeIterator + Iterator<Item = Network<'_>> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "fff845e6ab05621f54f8c8b29f30ad4b221a7547c1ded2387878a88a26bdb04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff845e6ab05621f54f8c8b29f30ad4b221a7547c1ded2387878a88a26bdb04e", kill_on_drop: false }`
[INFO] [stdout] fff845e6ab05621f54f8c8b29f30ad4b221a7547c1ded2387878a88a26bdb04e