[INFO] fetching crate flipflop 0.2.0...
[INFO] testing flipflop-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate flipflop 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate flipflop 0.2.0
[INFO] finished tweaking crates.io crate flipflop 0.2.0
[INFO] tweaked toml for crates.io crate flipflop 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flipflop 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flipflop 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02dd736e331ad2d5b7f31cee53ae7df810e662aa7b8ab0d9931b7a5aa8d69160
[INFO] running `Command { std: "docker" "start" "-a" "02dd736e331ad2d5b7f31cee53ae7df810e662aa7b8ab0d9931b7a5aa8d69160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02dd736e331ad2d5b7f31cee53ae7df810e662aa7b8ab0d9931b7a5aa8d69160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dd736e331ad2d5b7f31cee53ae7df810e662aa7b8ab0d9931b7a5aa8d69160", kill_on_drop: false }`
[INFO] [stdout] 02dd736e331ad2d5b7f31cee53ae7df810e662aa7b8ab0d9931b7a5aa8d69160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3b5ef4097388d573518f3740887c88307502a2467751eb8a1cdcfdab175d2d
[INFO] running `Command { std: "docker" "start" "-a" "ba3b5ef4097388d573518f3740887c88307502a2467751eb8a1cdcfdab175d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling flipflop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "ba3b5ef4097388d573518f3740887c88307502a2467751eb8a1cdcfdab175d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3b5ef4097388d573518f3740887c88307502a2467751eb8a1cdcfdab175d2d", kill_on_drop: false }`
[INFO] [stdout] ba3b5ef4097388d573518f3740887c88307502a2467751eb8a1cdcfdab175d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d3f4bbad1bb2ca95895b573ce6e8d9356aa2195d77ba0ec95e8079908ac20dd
[INFO] running `Command { std: "docker" "start" "-a" "0d3f4bbad1bb2ca95895b573ce6e8d9356aa2195d77ba0ec95e8079908ac20dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling flipflop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "0d3f4bbad1bb2ca95895b573ce6e8d9356aa2195d77ba0ec95e8079908ac20dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3f4bbad1bb2ca95895b573ce6e8d9356aa2195d77ba0ec95e8079908ac20dd", kill_on_drop: false }`
[INFO] [stdout] 0d3f4bbad1bb2ca95895b573ce6e8d9356aa2195d77ba0ec95e8079908ac20dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ee172b80a6bea6af96f0f02a52d146f841afb02fe6f765343953b6656220a22
[INFO] running `Command { std: "docker" "start" "-a" "1ee172b80a6bea6af96f0f02a52d146f841afb02fe6f765343953b6656220a22", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flipflop-4adb3e4646d80630)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test error::tests::failed_empty ... ok
[INFO] [stdout] test error::tests::failed_empty_fwd_nonempty ... ok
[INFO] [stdout] test error::tests::failed_empty_fwd_empty ... ok
[INFO] [stdout] test error::tests::failed_insert_bwd ... ok
[INFO] [stdout] test error::tests::failed_insert_fwd ... ok
[INFO] [stdout] test error::tests::failed_nonempty_bwd_nonempty ... ok
[INFO] [stdout] test error::tests::failed_nonempty_fwd_empty ... ok
[INFO] [stdout] test error::tests::failed_nonempty_fwd_nonempty ... ok
[INFO] [stdout] test error::tests::failed_empty_bwd_nonempty ... ok
[INFO] [stdout] test suite::tests::inconsistent_empty ... ok
[INFO] [stdout] test suite::tests::consistent_weird_iterator ... ok
[INFO] [stdout] test suite::tests::simple_weird_iterator ... ok
[INFO] [stdout] test error::tests::failed_nonempty_bwd_empty ... ok
[INFO] [stdout] test error::tests::failed_empty_bwd_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flipflop
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.52s; merged doctests compilation took 0.51s
[INFO] running `Command { std: "docker" "inspect" "1ee172b80a6bea6af96f0f02a52d146f841afb02fe6f765343953b6656220a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee172b80a6bea6af96f0f02a52d146f841afb02fe6f765343953b6656220a22", kill_on_drop: false }`
[INFO] [stdout] 1ee172b80a6bea6af96f0f02a52d146f841afb02fe6f765343953b6656220a22