[INFO] fetching crate reffers 0.7.0...
[INFO] testing reffers-0.7.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate reffers 0.7.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate reffers 0.7.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reffers 0.7.0
[INFO] finished tweaking crates.io crate reffers 0.7.0
[INFO] tweaked toml for crates.io crate reffers 0.7.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27224a8bdec2a5458e90a16cef924061b97d92e8a5d2fb3c7b76f45a0f906950
[INFO] running `Command { std: "docker" "start" "-a" "27224a8bdec2a5458e90a16cef924061b97d92e8a5d2fb3c7b76f45a0f906950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27224a8bdec2a5458e90a16cef924061b97d92e8a5d2fb3c7b76f45a0f906950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27224a8bdec2a5458e90a16cef924061b97d92e8a5d2fb3c7b76f45a0f906950", kill_on_drop: false }`
[INFO] [stdout] 27224a8bdec2a5458e90a16cef924061b97d92e8a5d2fb3c7b76f45a0f906950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8865094be9253babe415ef10729e576c0ef53bdf56c035eeabe282bfe87cca
[INFO] running `Command { std: "docker" "start" "-a" "8e8865094be9253babe415ef10729e576c0ef53bdf56c035eeabe282bfe87cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "8e8865094be9253babe415ef10729e576c0ef53bdf56c035eeabe282bfe87cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8865094be9253babe415ef10729e576c0ef53bdf56c035eeabe282bfe87cca", kill_on_drop: false }`
[INFO] [stdout] 8e8865094be9253babe415ef10729e576c0ef53bdf56c035eeabe282bfe87cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef691fe2f54a0f708ae85ad741765e7229e4e0c2ac9f228fb08ffa90f687f9a
[INFO] running `Command { std: "docker" "start" "-a" "cef691fe2f54a0f708ae85ad741765e7229e4e0c2ac9f228fb08ffa90f687f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "cef691fe2f54a0f708ae85ad741765e7229e4e0c2ac9f228fb08ffa90f687f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef691fe2f54a0f708ae85ad741765e7229e4e0c2ac9f228fb08ffa90f687f9a", kill_on_drop: false }`
[INFO] [stdout] cef691fe2f54a0f708ae85ad741765e7229e4e0c2ac9f228fb08ffa90f687f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c193956e668be2950b8d7c698f14a6019985067f169fb700ca81d8d57e67200f
[INFO] running `Command { std: "docker" "start" "-a" "c193956e668be2950b8d7c698f14a6019985067f169fb700ca81d8d57e67200f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reffers-27449003879e661c)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test arc::arc_basic ... ok
[INFO] [stdout] test arc::arc_drop ... ok
[INFO] [stdout] test arc::arc_slice ... ok
[INFO] [stdout] test aref::countdown_example ... ok
[INFO] [stdout] test arc::arc_str ... ok
[INFO] [stdout] test aref::debug_impl ... ok
[INFO] [stdout] test arc::arc_send ... ok
[INFO] [stdout] test aref::verify_drop ... ok
[INFO] [stdout] test aref::verify_descended_types ... ok
[INFO] [stdout] test aref::verify_types ... ok
[INFO] [stdout] test rc::rc_drop ... ok
[INFO] [stdout] test rc::rc_basic ... ok
[INFO] [stdout] test rc::rc_slice ... ok
[INFO] [stdout] test rc::rc_hashmap ... ok
[INFO] [stdout] test rc::rc_str ... ok
[INFO] [stdout] test rc_bitmask::bitmask ... ok
[INFO] [stdout] test rmba::rmba_arc ... ok
[INFO] [stdout] test rmba::rmba_box ... ok
[INFO] [stdout] test rmba::rmba_fat ... ok
[INFO] [stdout] test rmba::rmba_sizes ... ok
[INFO] [stdout] test rmba::rmba_typical ... ok
[INFO] [stdout] test rmba::rmba_unaligned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reffers
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/aref.rs - aref::ARefss::map (line 561) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::map (line 513) ... ok
[INFO] [stdout] test src/rmba.rs - rmba::RMBA (line 60) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::try_map (line 525) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::try_map (line 480) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::descend_from (line 378) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::map (line 465) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::new (line 497) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::new (line 545) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::new (line 424) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::try_map (line 573) ... ok
[INFO] [stdout] test src/rc.rs - rc::Ref (line 510) ... ok
[INFO] [stdout] test src/rc_bitmask.rs - rc_bitmask::rc_bit_mask (line 83) ... ok
[INFO] [stdout] test src/rc.rs - rc (line 47) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef (line 155) ... ok
[INFO] [stdout] test src/arc.rs - arc (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c193956e668be2950b8d7c698f14a6019985067f169fb700ca81d8d57e67200f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c193956e668be2950b8d7c698f14a6019985067f169fb700ca81d8d57e67200f", kill_on_drop: false }`
[INFO] [stdout] c193956e668be2950b8d7c698f14a6019985067f169fb700ca81d8d57e67200f