[INFO] fetching crate generational-lru 0.1.2...
[INFO] testing generational-lru-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate generational-lru 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate generational-lru 0.1.2
[INFO] finished tweaking crates.io crate generational-lru 0.1.2
[INFO] tweaked toml for crates.io crate generational-lru 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generational-lru 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe47193336d2bac0be0336ec0822f2fae818bc4300359dc37d5795ba910d47f
[INFO] running `Command { std: "docker" "start" "-a" "0fe47193336d2bac0be0336ec0822f2fae818bc4300359dc37d5795ba910d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe47193336d2bac0be0336ec0822f2fae818bc4300359dc37d5795ba910d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe47193336d2bac0be0336ec0822f2fae818bc4300359dc37d5795ba910d47f", kill_on_drop: false }`
[INFO] [stdout] 0fe47193336d2bac0be0336ec0822f2fae818bc4300359dc37d5795ba910d47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55945db7814f983f36397acd760fdc1822770feecd92698697eca34d04e46334
[INFO] running `Command { std: "docker" "start" "-a" "55945db7814f983f36397acd760fdc1822770feecd92698697eca34d04e46334", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-lru v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:708:21
[INFO] [stdout]     |
[INFO] [stdout] 708 |         pub fn iter(&self) -> Iter<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] 708 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "55945db7814f983f36397acd760fdc1822770feecd92698697eca34d04e46334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55945db7814f983f36397acd760fdc1822770feecd92698697eca34d04e46334", kill_on_drop: false }`
[INFO] [stdout] 55945db7814f983f36397acd760fdc1822770feecd92698697eca34d04e46334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829765fc7ecf50fb96ff797ebdec93d7a738f84433c127d033f1ea4bd0a8d74f
[INFO] running `Command { std: "docker" "start" "-a" "829765fc7ecf50fb96ff797ebdec93d7a738f84433c127d033f1ea4bd0a8d74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-lru v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:708:21
[INFO] [stdout]     |
[INFO] [stdout] 708 |         pub fn iter(&self) -> Iter<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] 708 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:708:21
[INFO] [stdout]     |
[INFO] [stdout] 708 |         pub fn iter(&self) -> Iter<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] 708 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "829765fc7ecf50fb96ff797ebdec93d7a738f84433c127d033f1ea4bd0a8d74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829765fc7ecf50fb96ff797ebdec93d7a738f84433c127d033f1ea4bd0a8d74f", kill_on_drop: false }`
[INFO] [stdout] 829765fc7ecf50fb96ff797ebdec93d7a738f84433c127d033f1ea4bd0a8d74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 981d85bc7f04827ee1e8e01722597eb26290246363b07afad78eb27227e52421
[INFO] running `Command { std: "docker" "start" "-a" "981d85bc7f04827ee1e8e01722597eb26290246363b07afad78eb27227e52421", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test arena::tests::arena_insert ... ok
[INFO] [stdout] test arena::tests::arena_new ... ok
[INFO] [stdout] test arena::tests::arena_remove ... ok
[INFO] [stdout] test arena::tests::arena_with_capacity ... ok
[INFO] [stdout] test list::tests::list_new ... ok
[INFO] [stdout] test list::tests::list_pop_front ... ok
[INFO] [stdout] test list::tests::list_push_back ... ok
[INFO] [stdout] test list::tests::list_remove ... ok
[INFO] [stdout] test list::tests::list_reposition_to_tail ... ok
[INFO] [stdout] test list::tests::list_with_capacity ... ok
[INFO] [stdout] test list::tests::list_pop_back ... ok
[INFO] [stdout] test lrucache::tests::lru_cache_consistency ... ok
[INFO] [stdout] test list::tests::list_push_front ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:708:21
[INFO] [stderr]     |
[INFO] [stderr] 708 |         pub fn iter(&self) -> Iter<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] 708 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `generational-lru` (lib) generated 1 warning (run `cargo fix --lib -p generational-lru` to apply 1 suggestion)
[INFO] [stderr] warning: `generational-lru` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generational_lru-f3eda8b14d7903c9)
[INFO] [stderr]    Doc-tests generational_lru
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - arena (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - list (line 390) ... ok
[INFO] [stdout] test src/lib.rs - lrucache (line 917) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "981d85bc7f04827ee1e8e01722597eb26290246363b07afad78eb27227e52421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981d85bc7f04827ee1e8e01722597eb26290246363b07afad78eb27227e52421", kill_on_drop: false }`
[INFO] [stdout] 981d85bc7f04827ee1e8e01722597eb26290246363b07afad78eb27227e52421