[INFO] fetching crate generic-std 0.1.0...
[INFO] testing generic-std-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate generic-std 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate generic-std 0.1.0
[INFO] finished tweaking crates.io crate generic-std 0.1.0
[INFO] tweaked toml for crates.io crate generic-std 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generic-std 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7df890d98950003d7a3b3015415b5317a1aa7a394fbf162219815e81cb263fa1
[INFO] running `Command { std: "docker" "start" "-a" "7df890d98950003d7a3b3015415b5317a1aa7a394fbf162219815e81cb263fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df890d98950003d7a3b3015415b5317a1aa7a394fbf162219815e81cb263fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df890d98950003d7a3b3015415b5317a1aa7a394fbf162219815e81cb263fa1", kill_on_drop: false }`
[INFO] [stdout] 7df890d98950003d7a3b3015415b5317a1aa7a394fbf162219815e81cb263fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f515b5e82f2ebdfcd83bacf4c2041cab8892d93e28d3d54e842d24130ef10cbe
[INFO] running `Command { std: "docker" "start" "-a" "f515b5e82f2ebdfcd83bacf4c2041cab8892d93e28d3d54e842d24130ef10cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T>;
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f515b5e82f2ebdfcd83bacf4c2041cab8892d93e28d3d54e842d24130ef10cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f515b5e82f2ebdfcd83bacf4c2041cab8892d93e28d3d54e842d24130ef10cbe", kill_on_drop: false }`
[INFO] [stdout] f515b5e82f2ebdfcd83bacf4c2041cab8892d93e28d3d54e842d24130ef10cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676f61a82de25252a8bc6a031d391504d4c0d96ca6a72f83b246552843f21efe
[INFO] running `Command { std: "docker" "start" "-a" "676f61a82de25252a8bc6a031d391504d4c0d96ca6a72f83b246552843f21efe", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T>;
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generic-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T>;
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tests.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 20 |         fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stdout]    |                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "676f61a82de25252a8bc6a031d391504d4c0d96ca6a72f83b246552843f21efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676f61a82de25252a8bc6a031d391504d4c0d96ca6a72f83b246552843f21efe", kill_on_drop: false }`
[INFO] [stdout] 676f61a82de25252a8bc6a031d391504d4c0d96ca6a72f83b246552843f21efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8949da33bc0cab2edba0d9bd295be4c2f78ac70f4a1719ee7fe93e5a4bfc8fbb
[INFO] running `Command { std: "docker" "start" "-a" "8949da33bc0cab2edba0d9bd295be4c2f78ac70f4a1719ee7fe93e5a4bfc8fbb", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 178 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T>;
[INFO] [stderr]     |                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 187 |     fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stderr]     |                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `generic-std` (lib) generated 2 warnings
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/tests.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime>::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] 20 |         fn next(&mut self) -> Option<<Self::H1Item as PlugLifetime<'_>>::T> {
[INFO] [stderr]    |                                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `generic-std` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generic_std-09e97c5cef216d95)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::self_borrowing_iterator ... ok
[INFO] [stdout] test tests::struct_using_either_rc_or_arc ... ok
[INFO] [stdout] test tests::struct_using_either_rc_or_arc_with_hkt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generic_std
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 31) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 16) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 101) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8949da33bc0cab2edba0d9bd295be4c2f78ac70f4a1719ee7fe93e5a4bfc8fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8949da33bc0cab2edba0d9bd295be4c2f78ac70f4a1719ee7fe93e5a4bfc8fbb", kill_on_drop: false }`
[INFO] [stdout] 8949da33bc0cab2edba0d9bd295be4c2f78ac70f4a1719ee7fe93e5a4bfc8fbb