[INFO] fetching crate nest-guard 0.1.0...
[INFO] testing nest-guard-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate nest-guard 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nest-guard 0.1.0
[INFO] finished tweaking crates.io crate nest-guard 0.1.0
[INFO] tweaked toml for crates.io crate nest-guard 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nest-guard 0.1.0 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] crate crates.io crate nest-guard 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5bc14570e2900480187f4b1759d3ea46b92123958f6cb1a86d93dc240a467797
[INFO] running `Command { std: "docker" "start" "-a" "5bc14570e2900480187f4b1759d3ea46b92123958f6cb1a86d93dc240a467797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc14570e2900480187f4b1759d3ea46b92123958f6cb1a86d93dc240a467797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc14570e2900480187f4b1759d3ea46b92123958f6cb1a86d93dc240a467797", kill_on_drop: false }`
[INFO] [stdout] 5bc14570e2900480187f4b1759d3ea46b92123958f6cb1a86d93dc240a467797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2a8d6dfdf9cee3cc7fbda41b9055049f30d7a60134fcc32998ed1be3a9771c92
[INFO] running `Command { std: "docker" "start" "-a" "2a8d6dfdf9cee3cc7fbda41b9055049f30d7a60134fcc32998ed1be3a9771c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "2a8d6dfdf9cee3cc7fbda41b9055049f30d7a60134fcc32998ed1be3a9771c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8d6dfdf9cee3cc7fbda41b9055049f30d7a60134fcc32998ed1be3a9771c92", kill_on_drop: false }`
[INFO] [stdout] 2a8d6dfdf9cee3cc7fbda41b9055049f30d7a60134fcc32998ed1be3a9771c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9a629628b399edbfc600da89f55335d38952889d8b4c52acf3b76dfbb3bb71a3
[INFO] running `Command { std: "docker" "start" "-a" "9a629628b399edbfc600da89f55335d38952889d8b4c52acf3b76dfbb3bb71a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "9a629628b399edbfc600da89f55335d38952889d8b4c52acf3b76dfbb3bb71a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a629628b399edbfc600da89f55335d38952889d8b4c52acf3b76dfbb3bb71a3", kill_on_drop: false }`
[INFO] [stdout] 9a629628b399edbfc600da89f55335d38952889d8b4c52acf3b76dfbb3bb71a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ec72fea890f7fadb3ed46d268a4cb52f38971906256c653bba2c9596ecc9e9a9
[INFO] running `Command { std: "docker" "start" "-a" "ec72fea890f7fadb3ed46d268a4cb52f38971906256c653bba2c9596ecc9e9a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nest_guard-beaab7f111f7eb9a)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cell::test::test_many_refcell ... ok
[INFO] [stdout] test sync::test::test_many_arc ... ok
[INFO] [stdout] test sync::test::test_many_mutex ... ok
[INFO] [stdout] test sync::test::test_many_rwlock ... ok
[INFO] [stdout] test rc::test::test_many_rc ... ok
[INFO] [stdout] test test::test_reassign_refcell_stack ... ok
[INFO] [stdout] test test::test_rc_refcell ... ok
[INFO] [stderr]    Doc-tests nest_guard
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec72fea890f7fadb3ed46d268a4cb52f38971906256c653bba2c9596ecc9e9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec72fea890f7fadb3ed46d268a4cb52f38971906256c653bba2c9596ecc9e9a9", kill_on_drop: false }`
[INFO] [stdout] ec72fea890f7fadb3ed46d268a4cb52f38971906256c653bba2c9596ecc9e9a9