[INFO] fetching crate alternating-iter 0.3.1...
[INFO] testing alternating-iter-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate alternating-iter 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate alternating-iter 0.3.1
[INFO] finished tweaking crates.io crate alternating-iter 0.3.1
[INFO] tweaked toml for crates.io crate alternating-iter 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alternating-iter 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 804988dbfd278060a370075ab1053f597c341f4d5bc71694393d7f394af2193a
[INFO] running `Command { std: "docker" "start" "-a" "804988dbfd278060a370075ab1053f597c341f4d5bc71694393d7f394af2193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804988dbfd278060a370075ab1053f597c341f4d5bc71694393d7f394af2193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804988dbfd278060a370075ab1053f597c341f4d5bc71694393d7f394af2193a", kill_on_drop: false }`
[INFO] [stdout] 804988dbfd278060a370075ab1053f597c341f4d5bc71694393d7f394af2193a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2c832f4025958071bbd18895f7b6fe01c1bf1558ee8f68e3085a1244c8d628
[INFO] running `Command { std: "docker" "start" "-a" "cb2c832f4025958071bbd18895f7b6fe01c1bf1558ee8f68e3085a1244c8d628", kill_on_drop: false }`
[INFO] [stderr]    Compiling alternating-iter v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::iter`
[INFO] [stdout]  --> src/alternating.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::iter;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "cb2c832f4025958071bbd18895f7b6fe01c1bf1558ee8f68e3085a1244c8d628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2c832f4025958071bbd18895f7b6fe01c1bf1558ee8f68e3085a1244c8d628", kill_on_drop: false }`
[INFO] [stdout] cb2c832f4025958071bbd18895f7b6fe01c1bf1558ee8f68e3085a1244c8d628
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7103cd21f4e2dd598a15aa65180829e6323d3ebfc6292bf749ce8453e87a40f
[INFO] running `Command { std: "docker" "start" "-a" "d7103cd21f4e2dd598a15aa65180829e6323d3ebfc6292bf749ce8453e87a40f", kill_on_drop: false }`
[INFO] [stderr]    Compiling alternating-iter v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::iter`
[INFO] [stdout]  --> src/alternating.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::iter;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "d7103cd21f4e2dd598a15aa65180829e6323d3ebfc6292bf749ce8453e87a40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7103cd21f4e2dd598a15aa65180829e6323d3ebfc6292bf749ce8453e87a40f", kill_on_drop: false }`
[INFO] [stdout] d7103cd21f4e2dd598a15aa65180829e6323d3ebfc6292bf749ce8453e87a40f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fadf445c4a40ff4497275a6047d604886f608ac6e74149f253f3ea0af2175170
[INFO] running `Command { std: "docker" "start" "-a" "fadf445c4a40ff4497275a6047d604886f608ac6e74149f253f3ea0af2175170", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::iter`
[INFO] [stderr]  --> src/alternating.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::iter;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alternating-iter` (lib) generated 1 warning (run `cargo fix --lib -p alternating-iter` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alternating_iter-868ccff792e9bd3e)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test alternating::tests::different_lengths_2more ... ok
[INFO] [stdout] test alternating::tests::one_empty_iterator ... ok
[INFO] [stdout] test alternating::tests::same_iterator ... ok
[INFO] [stdout] test alternating::tests::same_lengths ... ok
[INFO] [stdout] test alternating::tests::size_hint_accurate ... ok
[INFO] [stdout] test alternating::tests::size_hint ... ok
[INFO] [stdout] test alternating::tests::size_hint_both_unbounded ... ok
[INFO] [stdout] test alternating::tests::size_hint_bound_half_max_left ... ok
[INFO] [stdout] test alternating::tests::size_hint_bound_half_max_right ... ok
[INFO] [stdout] test alternating::tests::size_hint_unbounded_right ... ok
[INFO] [stdout] test alternating::tests::size_hint_unbounded_left ... ok
[INFO] [stdout] test alternating_all::tests::empty_iterators ... ok
[INFO] [stdout] test alternating::tests::size_hint_bound_exceed_max ... ok
[INFO] [stdout] test alternating::tests::empty_iterators ... ok
[INFO] [stdout] test alternating_all::tests::equal_lengths ... ok
[INFO] [stdout] test alternating_all::tests::size_hint_bound_exactly_max ... ok
[INFO] [stdout] test alternating_all::tests::different_lengths ... ok
[INFO] [stdout] test alternating_all::tests::one_empty_iterator ... ok
[INFO] [stdout] test alternating_all::tests::size_hint_bound_exceed_max ... ok
[INFO] [stdout] test alternating_no_remainder::tests::different_lengths_2more ... ok
[INFO] [stdout] test alternating_no_remainder::tests::empty_iterators ... ok
[INFO] [stdout] test alternating_no_remainder::tests::is_fused ... ok
[INFO] [stdout] test alternating_no_remainder::tests::one_empty_iterator ... ok
[INFO] [stdout] test alternating_no_remainder::tests::same_iterator ... ok
[INFO] [stdout] test alternating_all::tests::same_iterator ... ok
[INFO] [stdout] test alternating_all::tests::size_hint ... ok
[INFO] [stdout] test alternating_all::tests::size_hint_accurate ... ok
[INFO] [stdout] test alternating_no_remainder::tests::different_lengths_1more ... ok
[INFO] [stdout] test alternating_all::tests::size_hint_unbounded_left ... ok
[INFO] [stdout] test alternating_no_remainder::tests::same_lengths ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_unbounded_left ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_unbounded_right ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint ... ok
[INFO] [stdout] test alternating_all::tests::size_hint_unbounded_right ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_both_unbounded ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_accurate ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_bound_exceed_max ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_bound_half_max_left ... ok
[INFO] [stdout] test alternating_no_remainder::tests::size_hint_bound_half_max_right ... ok
[INFO] [stdout] test alternating::tests::different_lengths_1more ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alternating_iter
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - AlternatingExt::alternate_with_no_remainder (line 116) ... ok
[INFO] [stdout] test src/lib.rs - AlternatingExt::alternate_with (line 31) ... ok
[INFO] [stdout] test src/lib.rs - AlternatingExt::alternate_with_no_remainder (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - AlternatingExt::alternate_with_all (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fadf445c4a40ff4497275a6047d604886f608ac6e74149f253f3ea0af2175170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf445c4a40ff4497275a6047d604886f608ac6e74149f253f3ea0af2175170", kill_on_drop: false }`
[INFO] [stdout] fadf445c4a40ff4497275a6047d604886f608ac6e74149f253f3ea0af2175170