[INFO] fetching crate vec_mut_scan 0.5.0... [INFO] testing vec_mut_scan-0.5.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate vec_mut_scan 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate vec_mut_scan 0.5.0 [INFO] finished tweaking crates.io crate vec_mut_scan 0.5.0 [INFO] tweaked toml for crates.io crate vec_mut_scan 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vec_mut_scan 0.5.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 954eedd8ecbd5071ecdd8fd999f33a530675d7958e0e35b87db4345f515fb8f1 [INFO] running `Command { std: "docker" "start" "-a" "954eedd8ecbd5071ecdd8fd999f33a530675d7958e0e35b87db4345f515fb8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "954eedd8ecbd5071ecdd8fd999f33a530675d7958e0e35b87db4345f515fb8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "954eedd8ecbd5071ecdd8fd999f33a530675d7958e0e35b87db4345f515fb8f1", kill_on_drop: false }` [INFO] [stdout] 954eedd8ecbd5071ecdd8fd999f33a530675d7958e0e35b87db4345f515fb8f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a143471dc145ae1319422a7a780b7966040c1ed92e9ac3b2906dd50b832d2559 [INFO] running `Command { std: "docker" "start" "-a" "a143471dc145ae1319422a7a780b7966040c1ed92e9ac3b2906dd50b832d2559", kill_on_drop: false }` [INFO] [stderr] Compiling vec_mut_scan v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new(vec: &mut Vec) -> VecMutScan { [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] 90 | pub fn new(vec: &mut Vec) -> VecMutScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan { [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] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "a143471dc145ae1319422a7a780b7966040c1ed92e9ac3b2906dd50b832d2559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a143471dc145ae1319422a7a780b7966040c1ed92e9ac3b2906dd50b832d2559", kill_on_drop: false }` [INFO] [stdout] a143471dc145ae1319422a7a780b7966040c1ed92e9ac3b2906dd50b832d2559 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 002220a266ba1baa6488dfa52e1886345eb0ad934911c376f05b8126d332a066 [INFO] running `Command { std: "docker" "start" "-a" "002220a266ba1baa6488dfa52e1886345eb0ad934911c376f05b8126d332a066", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new(vec: &mut Vec) -> VecMutScan { [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] 90 | pub fn new(vec: &mut Vec) -> VecMutScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan { [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] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vec_mut_scan v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new(vec: &mut Vec) -> VecMutScan { [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] 90 | pub fn new(vec: &mut Vec) -> VecMutScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan { [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] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "002220a266ba1baa6488dfa52e1886345eb0ad934911c376f05b8126d332a066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "002220a266ba1baa6488dfa52e1886345eb0ad934911c376f05b8126d332a066", kill_on_drop: false }` [INFO] [stdout] 002220a266ba1baa6488dfa52e1886345eb0ad934911c376f05b8126d332a066 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0c6f0812386b19341a291ea729cc52c3191565fa4c3e48a7e7cffa6f65608f8a [INFO] running `Command { std: "docker" "start" "-a" "0c6f0812386b19341a291ea729cc52c3191565fa4c3e48a7e7cffa6f65608f8a", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:90:21 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn new(vec: &mut Vec) -> VecMutScan { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 90 | pub fn new(vec: &mut Vec) -> VecMutScan<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:348:21 [INFO] [stderr] | [INFO] [stderr] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 348 | pub fn new(vec: &mut Vec) -> VecGrowScan<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `vec_mut_scan` (lib) generated 2 warnings (run `cargo fix --lib -p vec_mut_scan` to apply 2 suggestions) [INFO] [stderr] warning: `vec_mut_scan` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_mut_scan-0f2ba463f8f493d0) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::grow_check_slices_no_insert ... ok [INFO] [stdout] test tests::drop_after_partial_scan_with_inserts ... ok [INFO] [stdout] test tests::grow_check_slices_mut ... ok [INFO] [stdout] test tests::insert_after ... ok [INFO] [stdout] test tests::check_slices_mut ... ok [INFO] [stdout] test tests::check_item_drops ... ok [INFO] [stdout] test tests::insert_before ... ok [INFO] [stdout] test tests::grow_check_item_drops ... ok [INFO] [stdout] test tests::check_slices ... ok [INFO] [stderr] Doc-tests vec_mut_scan [INFO] [stdout] test tests::replace_with ... ok [INFO] [stdout] test tests::replace_with_many_with ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - VecGrowScan<'a,T>::insert (line 392) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0c6f0812386b19341a291ea729cc52c3191565fa4c3e48a7e7cffa6f65608f8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c6f0812386b19341a291ea729cc52c3191565fa4c3e48a7e7cffa6f65608f8a", kill_on_drop: false }` [INFO] [stdout] 0c6f0812386b19341a291ea729cc52c3191565fa4c3e48a7e7cffa6f65608f8a