[INFO] cloning repository https://github.com/genbyte/rnprefix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genbyte/rnprefix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a93c4749f145e65f6910a3bcbaeb7b7373e22811
[INFO] checking genbyte/rnprefix against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix" "/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/genbyte/rnprefix
[INFO] finished tweaking git repo https://github.com/genbyte/rnprefix
[INFO] tweaked toml for git repo https://github.com/genbyte/rnprefix written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/genbyte/rnprefix on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/genbyte/rnprefix 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c46fa335edba26f7d851db05cdcea74dcfdd7970ee7f20fca3bbaf14a57c4a39
[INFO] running `Command { std: "docker" "start" "-a" "c46fa335edba26f7d851db05cdcea74dcfdd7970ee7f20fca3bbaf14a57c4a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46fa335edba26f7d851db05cdcea74dcfdd7970ee7f20fca3bbaf14a57c4a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46fa335edba26f7d851db05cdcea74dcfdd7970ee7f20fca3bbaf14a57c4a39", kill_on_drop: false }`
[INFO] [stdout] c46fa335edba26f7d851db05cdcea74dcfdd7970ee7f20fca3bbaf14a57c4a39
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89dc8de03ffc6a869a62a59df51b43c5f91b3194c64a2801aeb8abb7134b79a
[INFO] running `Command { std: "docker" "start" "-a" "d89dc8de03ffc6a869a62a59df51b43c5f91b3194c64a2801aeb8abb7134b79a", kill_on_drop: false }`
[INFO] [stderr]     Checking rnprefix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `rn`, `name`, and `offset` are never read
[INFO] [stdout]    --> src/lib.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Suffixes<'r> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 105 |     rn: &'r Rnprefix,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 106 |     name: &'r str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn prefixes(&self) -> Prefixes {
[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] 32 |     pub fn prefixes(&self) -> Prefixes<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rn`, `name`, and `offset` are never read
[INFO] [stdout]    --> src/lib.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Suffixes<'r> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 105 |     rn: &'r Rnprefix,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 106 |     name: &'r str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn prefixes(&self) -> Prefixes {
[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] 32 |     pub fn prefixes(&self) -> Prefixes<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d89dc8de03ffc6a869a62a59df51b43c5f91b3194c64a2801aeb8abb7134b79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89dc8de03ffc6a869a62a59df51b43c5f91b3194c64a2801aeb8abb7134b79a", kill_on_drop: false }`
[INFO] [stdout] d89dc8de03ffc6a869a62a59df51b43c5f91b3194c64a2801aeb8abb7134b79a
