[INFO] fetching crate arbor 0.1.0...
[INFO] testing arbor-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate arbor 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arbor 0.1.0 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 arbor 0.1.0
[INFO] finished tweaking crates.io crate arbor 0.1.0
[INFO] tweaked toml for crates.io crate arbor 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate arbor 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 806bd9f54e14085e32e4df2bbe567b8f65d939a1aee623a543cd22965ac8f3ac
[INFO] running `Command { std: "docker" "start" "-a" "806bd9f54e14085e32e4df2bbe567b8f65d939a1aee623a543cd22965ac8f3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "806bd9f54e14085e32e4df2bbe567b8f65d939a1aee623a543cd22965ac8f3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806bd9f54e14085e32e4df2bbe567b8f65d939a1aee623a543cd22965ac8f3ac", kill_on_drop: false }`
[INFO] [stdout] 806bd9f54e14085e32e4df2bbe567b8f65d939a1aee623a543cd22965ac8f3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 87481a573bf9942a61703d89ceb6da819cb5e90963b10e939fa20566eb6a0b97
[INFO] running `Command { std: "docker" "start" "-a" "87481a573bf9942a61703d89ceb6da819cb5e90963b10e939fa20566eb6a0b97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "87481a573bf9942a61703d89ceb6da819cb5e90963b10e939fa20566eb6a0b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87481a573bf9942a61703d89ceb6da819cb5e90963b10e939fa20566eb6a0b97", kill_on_drop: false }`
[INFO] [stdout] 87481a573bf9942a61703d89ceb6da819cb5e90963b10e939fa20566eb6a0b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ca4375eb23ce23c8c4789388dd4fd9d8f5032793bd19c079d30883f348aba57d
[INFO] running `Command { std: "docker" "start" "-a" "ca4375eb23ce23c8c4789388dd4fd9d8f5032793bd19c079d30883f348aba57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ca4375eb23ce23c8c4789388dd4fd9d8f5032793bd19c079d30883f348aba57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4375eb23ce23c8c4789388dd4fd9d8f5032793bd19c079d30883f348aba57d", kill_on_drop: false }`
[INFO] [stdout] ca4375eb23ce23c8c4789388dd4fd9d8f5032793bd19c079d30883f348aba57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 038b053bff76eb4bac100a6a69b1e05b4bc445a311a41dd6ebf6afc6a581fc1b
[INFO] running `Command { std: "docker" "start" "-a" "038b053bff76eb4bac100a6a69b1e05b4bc445a311a41dd6ebf6afc6a581fc1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbor-bbf91434754e8a26)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4-d78f7b0cbc39a10a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mancala-8cef584732c10abf)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::mancala_right_capture ... ok
[INFO] [stdout] test test::mancala_free_move_1 ... ok
[INFO] [stdout] test test::mancala_free_move_2 ... ok
[INFO] [stdout] test test::mancala_left_capture ... ok
[INFO] [stdout] test test::mancala_best_move_free_turn ... ok
[INFO] [stdout] test test::mancala_best_move_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reversi-ffef1d13d6d36538)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tictactoe-4efc91ed54cf60e7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::tictactoe_best_even ... ok
[INFO] [stdout] test test::tictactoe_best_obvious ... ok
[INFO] [stdout] test test::tictactoe_best_even2 ... ok
[INFO] [stdout] test test::tictactoe_best_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arbor
[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" "038b053bff76eb4bac100a6a69b1e05b4bc445a311a41dd6ebf6afc6a581fc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038b053bff76eb4bac100a6a69b1e05b4bc445a311a41dd6ebf6afc6a581fc1b", kill_on_drop: false }`
[INFO] [stdout] 038b053bff76eb4bac100a6a69b1e05b4bc445a311a41dd6ebf6afc6a581fc1b