[INFO] fetching crate accountable-refcell 0.2.1...
[INFO] testing accountable-refcell-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate accountable-refcell 0.2.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate accountable-refcell 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-31/source/rust-toolchain
[INFO] started tweaking crates.io crate accountable-refcell 0.2.1
[INFO] finished tweaking crates.io crate accountable-refcell 0.2.1
[INFO] tweaked toml for crates.io crate accountable-refcell 0.2.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef95a5a36e1808f995e38735321faa7d591c3790ac255f83eb12094d3489ab2f
[INFO] running `Command { std: "docker" "start" "-a" "ef95a5a36e1808f995e38735321faa7d591c3790ac255f83eb12094d3489ab2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef95a5a36e1808f995e38735321faa7d591c3790ac255f83eb12094d3489ab2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef95a5a36e1808f995e38735321faa7d591c3790ac255f83eb12094d3489ab2f", kill_on_drop: false }`
[INFO] [stdout] ef95a5a36e1808f995e38735321faa7d591c3790ac255f83eb12094d3489ab2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeebf5ecab135af2baee063acf8f3f7e962d74c22118a99abd682e0833ae36ff
[INFO] running `Command { std: "docker" "start" "-a" "aeebf5ecab135af2baee063acf8f3f7e962d74c22118a99abd682e0833ae36ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "aeebf5ecab135af2baee063acf8f3f7e962d74c22118a99abd682e0833ae36ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeebf5ecab135af2baee063acf8f3f7e962d74c22118a99abd682e0833ae36ff", kill_on_drop: false }`
[INFO] [stdout] aeebf5ecab135af2baee063acf8f3f7e962d74c22118a99abd682e0833ae36ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938d8df74457c519371e9a90dc61f69799cba50c9e232b71c18a8d946e2f8b52
[INFO] running `Command { std: "docker" "start" "-a" "938d8df74457c519371e9a90dc61f69799cba50c9e232b71c18a8d946e2f8b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling accountable-refcell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "938d8df74457c519371e9a90dc61f69799cba50c9e232b71c18a8d946e2f8b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938d8df74457c519371e9a90dc61f69799cba50c9e232b71c18a8d946e2f8b52", kill_on_drop: false }`
[INFO] [stdout] 938d8df74457c519371e9a90dc61f69799cba50c9e232b71c18a8d946e2f8b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59870ab4f68bfff3016c1eb1a3c274e853ef46323e3cd627a69ccf23a13a34b4
[INFO] running `Command { std: "docker" "start" "-a" "59870ab4f68bfff3016c1eb1a3c274e853ef46323e3cd627a69ccf23a13a34b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/accountable_refcell-7925453e2ac0e0c0)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::replace_with_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::take_refcell_returns_correct_value ... ok
[INFO] [stdout] test tests::replace_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::cannot_replace_with_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_take_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_with_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_take_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_immutably - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably_multi_borrow - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably - should panic ... ok
[INFO] [stdout] test tests::clone_records_borrow - should panic ... ok
[INFO] [stdout] test tests::test - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests accountable-refcell
[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" "59870ab4f68bfff3016c1eb1a3c274e853ef46323e3cd627a69ccf23a13a34b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59870ab4f68bfff3016c1eb1a3c274e853ef46323e3cd627a69ccf23a13a34b4", kill_on_drop: false }`
[INFO] [stdout] 59870ab4f68bfff3016c1eb1a3c274e853ef46323e3cd627a69ccf23a13a34b4