[INFO] fetching crate better-refcell 0.1.1...
[INFO] testing better-refcell-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate better-refcell 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate better-refcell 0.1.1
[INFO] finished tweaking crates.io crate better-refcell 0.1.1
[INFO] tweaked toml for crates.io crate better-refcell 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate better-refcell 0.1.1 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 better-refcell 0.1.1 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c73526af56aad9354ec77fdaf4c7b4d32288da19413eb8441e0e0180f3eb1fb4
[INFO] running `Command { std: "docker" "start" "-a" "c73526af56aad9354ec77fdaf4c7b4d32288da19413eb8441e0e0180f3eb1fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c73526af56aad9354ec77fdaf4c7b4d32288da19413eb8441e0e0180f3eb1fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73526af56aad9354ec77fdaf4c7b4d32288da19413eb8441e0e0180f3eb1fb4", kill_on_drop: false }`
[INFO] [stdout] c73526af56aad9354ec77fdaf4c7b4d32288da19413eb8441e0e0180f3eb1fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5416c5122839c05a0cd5f2e015495e0870aed3b36798e617119392edb9063e39
[INFO] running `Command { std: "docker" "start" "-a" "5416c5122839c05a0cd5f2e015495e0870aed3b36798e617119392edb9063e39", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-refcell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5416c5122839c05a0cd5f2e015495e0870aed3b36798e617119392edb9063e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5416c5122839c05a0cd5f2e015495e0870aed3b36798e617119392edb9063e39", kill_on_drop: false }`
[INFO] [stdout] 5416c5122839c05a0cd5f2e015495e0870aed3b36798e617119392edb9063e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c31db02843eba55760e73947beb3ae713d6a4e8a8b903b6adf721de081c8d701
[INFO] running `Command { std: "docker" "start" "-a" "c31db02843eba55760e73947beb3ae713d6a4e8a8b903b6adf721de081c8d701", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-refcell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c31db02843eba55760e73947beb3ae713d6a4e8a8b903b6adf721de081c8d701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31db02843eba55760e73947beb3ae713d6a4e8a8b903b6adf721de081c8d701", kill_on_drop: false }`
[INFO] [stdout] c31db02843eba55760e73947beb3ae713d6a4e8a8b903b6adf721de081c8d701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 67d2621ed537c2f904685122f737570a5b82ac5f42c0da930ea42185d237c9fd
[INFO] running `Command { std: "docker" "start" "-a" "67d2621ed537c2f904685122f737570a5b82ac5f42c0da930ea42185d237c9fd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/better_refcell-ac70747ad33f981c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::unborrow ... ok
[INFO] [stdout] test tests::unborrow_ref_by_mut ... ok
[INFO] [stdout] test tests::unborrow_ref_by_ref ... ok
[INFO] [stdout] test tests::unborrow_ref_and_drop_outer_guard ... ok
[INFO] [stdout] test tests::unborrow_ref_by_ref_and_leak_guard ... ok
[INFO] [stdout] test tests::unborrow_and_leak_mut_guard - should panic ... ok
[INFO] [stdout] test tests::unborrow_by_invalid_reference - should panic ... ok
[INFO] [stdout] test tests::unborrow_and_leak_ref_guard - should panic ... ok
[INFO] [stdout] test tests::unborrow_ref_by_invalid_reference - should panic ... ok
[INFO] [stdout] test tests::unborrow_ref_by_mut_and_leak_guard - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests better_refcell
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - unborrow_all (line 353) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - unborrow_all_unchecked (line 427) ... 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] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "67d2621ed537c2f904685122f737570a5b82ac5f42c0da930ea42185d237c9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d2621ed537c2f904685122f737570a5b82ac5f42c0da930ea42185d237c9fd", kill_on_drop: false }`
[INFO] [stdout] 67d2621ed537c2f904685122f737570a5b82ac5f42c0da930ea42185d237c9fd