[INFO] fetching crate rt_vec 0.1.1...
[INFO] building rt_vec-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rt_vec 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rt_vec 0.1.1
[INFO] finished tweaking crates.io crate rt_vec 0.1.1
[INFO] tweaked toml for crates.io crate rt_vec 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rt_vec 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rt_vec 0.1.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rt_ref v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4678de401ca1e3713c89b50a80d42b5e02fd5ee2f55de51acac58c3b75310974
[INFO] running `Command { std: "docker" "start" "-a" "4678de401ca1e3713c89b50a80d42b5e02fd5ee2f55de51acac58c3b75310974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4678de401ca1e3713c89b50a80d42b5e02fd5ee2f55de51acac58c3b75310974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4678de401ca1e3713c89b50a80d42b5e02fd5ee2f55de51acac58c3b75310974", kill_on_drop: false }`
[INFO] [stdout] 4678de401ca1e3713c89b50a80d42b5e02fd5ee2f55de51acac58c3b75310974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d177f5b04a563f350dbd40fa2474502e032906aa029784d61537a86386ee52
[INFO] running `Command { std: "docker" "start" "-a" "85d177f5b04a563f350dbd40fa2474502e032906aa029784d61537a86386ee52", kill_on_drop: false }`
[INFO] [stderr]    Compiling rt_ref v0.2.0
[INFO] [stderr]    Compiling rt_vec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn borrow(&self, index: usize) -> Ref<V> {
[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] 217 |     pub fn borrow(&self, index: usize) -> Ref<'_, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<'_, V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:283:16
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<V>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<'_, V>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "85d177f5b04a563f350dbd40fa2474502e032906aa029784d61537a86386ee52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d177f5b04a563f350dbd40fa2474502e032906aa029784d61537a86386ee52", kill_on_drop: false }`
[INFO] [stdout] 85d177f5b04a563f350dbd40fa2474502e032906aa029784d61537a86386ee52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce10bad1026fa5ea98afdd12e7d50398f687212e16981408f1dbf4bc4e2213e
[INFO] running `Command { std: "docker" "start" "-a" "3ce10bad1026fa5ea98afdd12e7d50398f687212e16981408f1dbf4bc4e2213e", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn borrow(&self, index: usize) -> Ref<V> {
[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] 217 |     pub fn borrow(&self, index: usize) -> Ref<'_, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rt_vec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<'_, V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:283:16
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<V>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<'_, V>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn borrow(&self, index: usize) -> Ref<V> {
[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] 217 |     pub fn borrow(&self, index: usize) -> Ref<'_, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn try_borrow(&self, index: usize) -> Result<Ref<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn borrow_mut(&self, index: usize) -> RefMut<'_, V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<V>, BorrowFail> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn try_borrow_mut(&self, index: usize) -> Result<RefMut<'_, V>, BorrowFail> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rt_vec.rs:283:16
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<V>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn get(&self, index: usize) -> Option<Ref<'_, V>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "3ce10bad1026fa5ea98afdd12e7d50398f687212e16981408f1dbf4bc4e2213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce10bad1026fa5ea98afdd12e7d50398f687212e16981408f1dbf4bc4e2213e", kill_on_drop: false }`
[INFO] [stdout] 3ce10bad1026fa5ea98afdd12e7d50398f687212e16981408f1dbf4bc4e2213e
