[INFO] fetching crate vec_mut_scan 0.5.0...
[INFO] testing vec_mut_scan-0.5.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate vec_mut_scan 0.5.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_mut_scan 0.5.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7fed7bb25fa468385b3d2b40ed5bfe2de5662358c4a6e06441c9961331afd3
[INFO] running `Command { std: "docker" "start" "-a" "aa7fed7bb25fa468385b3d2b40ed5bfe2de5662358c4a6e06441c9961331afd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7fed7bb25fa468385b3d2b40ed5bfe2de5662358c4a6e06441c9961331afd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7fed7bb25fa468385b3d2b40ed5bfe2de5662358c4a6e06441c9961331afd3", kill_on_drop: false }`
[INFO] [stdout] aa7fed7bb25fa468385b3d2b40ed5bfe2de5662358c4a6e06441c9961331afd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734359c2692395ee08a32a3e8b9ae7e373f5c53b36a811edcf24ef76538d256d
[INFO] running `Command { std: "docker" "start" "-a" "734359c2692395ee08a32a3e8b9ae7e373f5c53b36a811edcf24ef76538d256d", 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<T>) -> VecMutScan<T> {
[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<T>) -> 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<T>) -> VecGrowScan<T> {
[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<T>) -> VecGrowScan<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "734359c2692395ee08a32a3e8b9ae7e373f5c53b36a811edcf24ef76538d256d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734359c2692395ee08a32a3e8b9ae7e373f5c53b36a811edcf24ef76538d256d", kill_on_drop: false }`
[INFO] [stdout] 734359c2692395ee08a32a3e8b9ae7e373f5c53b36a811edcf24ef76538d256d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d29865d530257cdef376a050ea43269e24ba0f66af0a9d2d06a28326656ec464
[INFO] running `Command { std: "docker" "start" "-a" "d29865d530257cdef376a050ea43269e24ba0f66af0a9d2d06a28326656ec464", 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<T>) -> VecMutScan<T> {
[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<T>) -> 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<T>) -> VecGrowScan<T> {
[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<T>) -> 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<T>) -> VecMutScan<T> {
[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<T>) -> 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<T>) -> VecGrowScan<T> {
[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<T>) -> VecGrowScan<'_, T> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d29865d530257cdef376a050ea43269e24ba0f66af0a9d2d06a28326656ec464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29865d530257cdef376a050ea43269e24ba0f66af0a9d2d06a28326656ec464", kill_on_drop: false }`
[INFO] [stdout] d29865d530257cdef376a050ea43269e24ba0f66af0a9d2d06a28326656ec464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c66bceba241d81f66fba5e4c2022fdaeb1afa987d76341b63005bc28ac98ba75
[INFO] running `Command { std: "docker" "start" "-a" "c66bceba241d81f66fba5e4c2022fdaeb1afa987d76341b63005bc28ac98ba75", 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<T>) -> VecMutScan<T> {
[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<T>) -> 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<T>) -> VecGrowScan<T> {
[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<T>) -> 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_mut_scan-44a9948db12263c1)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::grow_check_item_drops ... ok
[INFO] [stdout] test tests::check_slices ... ok
[INFO] [stdout] test tests::check_item_drops ... ok
[INFO] [stdout] test tests::grow_check_slices_no_insert ... ok
[INFO] [stdout] test tests::insert_after ... ok
[INFO] [stdout] test tests::replace_with_many_with ... ok
[INFO] [stdout] test tests::check_slices_mut ... ok
[INFO] [stdout] test tests::replace_with ... ok
[INFO] [stdout] test tests::insert_before ... ok
[INFO] [stdout] test tests::drop_after_partial_scan_with_inserts ... ok
[INFO] [stdout] test tests::grow_check_slices_mut ... 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] [stderr]    Doc-tests vec_mut_scan
[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 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c66bceba241d81f66fba5e4c2022fdaeb1afa987d76341b63005bc28ac98ba75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66bceba241d81f66fba5e4c2022fdaeb1afa987d76341b63005bc28ac98ba75", kill_on_drop: false }`
[INFO] [stdout] c66bceba241d81f66fba5e4c2022fdaeb1afa987d76341b63005bc28ac98ba75
