[INFO] cloning repository https://github.com/sirkibsirkib/zork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/zork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fzork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fzork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46b51d031e607c350fc634426670f43e92542b50
[INFO] checking sirkibsirkib/zork against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fzork" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sirkibsirkib/zork
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/zork
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/zork written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/zork on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sirkibsirkib/zork 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-new v0.5.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded hashbrown v0.3.0
[INFO] [stderr]   Downloaded regex v1.1.6
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8193b3284eafc633673c781a58333a57015d02a11bbaf343d13161ab6517aa2
[INFO] running `Command { std: "docker" "start" "-a" "d8193b3284eafc633673c781a58333a57015d02a11bbaf343d13161ab6517aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8193b3284eafc633673c781a58333a57015d02a11bbaf343d13161ab6517aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8193b3284eafc633673c781a58333a57015d02a11bbaf343d13161ab6517aa2", kill_on_drop: false }`
[INFO] [stdout] d8193b3284eafc633673c781a58333a57015d02a11bbaf343d13161ab6517aa2
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c2e6dca1d84676e6c9459860d75d9805b3988020b5609759d099e573273044
[INFO] running `Command { std: "docker" "start" "-a" "d0c2e6dca1d84676e6c9459860d75d9805b3988020b5609759d099e573273044", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking hashbrown v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking zork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | struct Person {
[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 named elsewhere is confusing
[INFO] [stdout]  --> src/main.rs:9:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures>;
[INFO] [stdout]   |                             -- the lifetime is named 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: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures<'a>>;
[INFO] [stdout]   |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures> {
[INFO] [stdout]    |                             -- the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures<'a>> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | struct Person {
[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 named elsewhere is confusing
[INFO] [stdout]  --> src/main.rs:9:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures>;
[INFO] [stdout]   |                             -- the lifetime is named 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: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures<'a>>;
[INFO] [stdout]   |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures> {
[INFO] [stdout]    |                             -- the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn cap_all<'a, 'b: 'a>(&'a self, s: &'b str) -> Option<Captures<'a>> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "d0c2e6dca1d84676e6c9459860d75d9805b3988020b5609759d099e573273044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c2e6dca1d84676e6c9459860d75d9805b3988020b5609759d099e573273044", kill_on_drop: false }`
[INFO] [stdout] d0c2e6dca1d84676e6c9459860d75d9805b3988020b5609759d099e573273044