[INFO] fetching crate immutable-seq 0.1.2...
[INFO] testing immutable-seq-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate immutable-seq 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate immutable-seq 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immutable-seq 0.1.2
[INFO] finished tweaking crates.io crate immutable-seq 0.1.2
[INFO] tweaked toml for crates.io crate immutable-seq 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60f7901d920bff310c2493a3f694b2b72327c0b5a5fc7f2c155e5f3013c6b40e
[INFO] running `Command { std: "docker" "start" "-a" "60f7901d920bff310c2493a3f694b2b72327c0b5a5fc7f2c155e5f3013c6b40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f7901d920bff310c2493a3f694b2b72327c0b5a5fc7f2c155e5f3013c6b40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f7901d920bff310c2493a3f694b2b72327c0b5a5fc7f2c155e5f3013c6b40e", kill_on_drop: false }`
[INFO] [stdout] 60f7901d920bff310c2493a3f694b2b72327c0b5a5fc7f2c155e5f3013c6b40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e914c6b168fe925ffa2826a30c3bfb6f8dc097533d8763e7e6759b21fc81ad67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e914c6b168fe925ffa2826a30c3bfb6f8dc097533d8763e7e6759b21fc81ad67", kill_on_drop: false }`
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling immutable-seq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:183:16
[INFO] [stdout]     |
[INFO] [stdout] 183 |     inner: Box<Invoke<T>>
[INFO] [stdout]     |                ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:197:23
[INFO] [stdout]     |
[INFO] [stdout] 197 |             }) as Box<Invoke<T>>
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stdout]    |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e914c6b168fe925ffa2826a30c3bfb6f8dc097533d8763e7e6759b21fc81ad67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e914c6b168fe925ffa2826a30c3bfb6f8dc097533d8763e7e6759b21fc81ad67", kill_on_drop: false }`
[INFO] [stdout] e914c6b168fe925ffa2826a30c3bfb6f8dc097533d8763e7e6759b21fc81ad67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f01deda6146ee55f1c4971b3129cec713dc2df754d4e19c38a916f7f4845227
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f01deda6146ee55f1c4971b3129cec713dc2df754d4e19c38a916f7f4845227", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable-seq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:183:16
[INFO] [stdout]     |
[INFO] [stdout] 183 |     inner: Box<Invoke<T>>
[INFO] [stdout]     |                ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:197:23
[INFO] [stdout]     |
[INFO] [stdout] 197 |             }) as Box<Invoke<T>>
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stdout]    |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:183:16
[INFO] [stdout]     |
[INFO] [stdout] 183 |     inner: Box<Invoke<T>>
[INFO] [stdout]     |                ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lazy.rs:197:23
[INFO] [stdout]     |
[INFO] [stdout] 197 |             }) as Box<Invoke<T>>
[INFO] [stdout]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lazy.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stdout]    |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/seq_quickcheck.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |             try!(self.apply_action(action))
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/seq_quickcheck.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn shrink(&self) -> Box<Iterator<Item=Action<T>>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Action<T>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/seq_quickcheck.rs:320:26
[INFO] [stdout]     |
[INFO] [stdout] 320 |     action_shrinker: Box<Iterator<Item=Action<T>>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Action<T>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/seq_quickcheck.rs:368:29
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn shrink(&self) -> Box<Iterator<Item=ActionSeries<T>>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=ActionSeries<T>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "2f01deda6146ee55f1c4971b3129cec713dc2df754d4e19c38a916f7f4845227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f01deda6146ee55f1c4971b3129cec713dc2df754d4e19c38a916f7f4845227", kill_on_drop: false }`
[INFO] [stdout] 2f01deda6146ee55f1c4971b3129cec713dc2df754d4e19c38a916f7f4845227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7c1924ddf417e91a09572519848769cbd869f6b3bf3f03976bd9627522c84a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b7c1924ddf417e91a09572519848769cbd869f6b3bf3f03976bd9627522c84a8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lazy.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |     inner: Box<Invoke<T>>
[INFO] [stderr]     |                ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lazy.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |             }) as Box<Invoke<T>>
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stderr]    |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lazy.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |     inner: Box<Invoke<T>>
[INFO] [stderr]     |                ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lazy.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |             }) as Box<Invoke<T>>
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn Invoke<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lazy.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stderr]    |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 13 tests
[INFO] [stderr]    --> tests/seq_quickcheck.rs:522:13
[INFO] [stderr]     |
[INFO] [stderr] 522 |             try!(self.apply_action(action))
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/seq_quickcheck.rs:150:29
[INFO] [stderr]     |
[INFO] [stderr] 150 |     fn shrink(&self) -> Box<Iterator<Item=Action<T>>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Action<T>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/seq_quickcheck.rs:320:26
[INFO] [stderr]     |
[INFO] [stderr] 320 |     action_shrinker: Box<Iterator<Item=Action<T>>>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Action<T>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/seq_quickcheck.rs:368:29
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn shrink(&self) -> Box<Iterator<Item=ActionSeries<T>>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=ActionSeries<T>>`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/immutable_seq-80921cc2b1de9820
[INFO] [stdout] test digit::test::test_digit_iter ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'Muahahahah', src/lazy.rs:288:17
[INFO] [stdout] test lazy::test::test_thunk_should_not_evaluate_if_not_accessed ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test node::test::test_node_iter ... ok
[INFO] [stderr]    0:     0x5635de6a8680 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout] test finger_tree::test::test_iter_empty ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout] test node::test::test_tree23_measure ... ok
[INFO] [stderr]    1:     0x5635de6a8680 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout] test finger_tree::test::test_iter_single ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout] test lazy::test::test_thunk_should_evaluate_just_once ... ok
[INFO] [stderr]    2:     0x5635de6a8680 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout] test finger_tree::test::test_iter_inner_empty ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout] test lazy::test::test_strict_should_produce_already_evaluated_thunk ... ok
[INFO] [stderr]    3:     0x5635de6a8680 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout] test lazy::test::test_thunk_should_evaluate_through_redirect ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout] test lazy::test::test_thunk_should_evaluate_when_accessed ... ok
[INFO] [stderr]    4:     0x5635de6ca9bc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout] test finger_tree::test::test_iter_inner_single ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x5635de6a4f52 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x5635de6aab9d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5635de6aab9d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5635de6aab9d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x5635de6aa848 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x5635de6ab281 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x5635de643bc8 - std::panicking::begin_panic::{{closure}}::hc2079a7590f76498
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x5635de635aa8 - std::sys_common::backtrace::__rust_end_short_backtrace::h47c4e84fe8a6389f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5635de643af3 - std::panicking::begin_panic::h007fb55086f32b27
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout] test lazy::test::test_drop_internal_data_just_once ... ok
[INFO] [stderr]   14:     0x5635de63d0eb - immutable_seq::lazy::test::test_drop_internal_data_just_once::{{closure}}::{{closure}}::hde372df1d77058ae
[INFO] [stdout] 
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:288
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   15:     0x5635de630a6e - immutable_seq::lazy::Producer<T>::new::{{closure}}::h039cc4763d23e1c1
[INFO] [stdout] 
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:196
[INFO] [stderr]   16:     0x5635de630e7e - <F as immutable_seq::lazy::Invoke<T>>::invoke::h194f9fa17f3e00d1
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:224
[INFO] [stderr]   17:     0x5635de630da1 - immutable_seq::lazy::Producer<T>::invoke::h685c57d96306dcaf
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:202
[INFO] [stderr]   18:     0x5635de62e01c - immutable_seq::lazy::Thunk<T>::force::h6c647e5f94175c98
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:108
[INFO] [stderr]   19:     0x5635de63d151 - immutable_seq::lazy::test::test_drop_internal_data_just_once::{{closure}}::h7a2129f0430a96db
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lazy.rs:290
[INFO] [stderr]   20:     0x5635de635ade - std::sys_common::backtrace::__rust_begin_short_backtrace::h5f5c868212da2474
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   21:     0x5635de65181a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ec03810351948c2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   22:     0x5635de650d9e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0caf77b07ab8e95e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   23:     0x5635de643cba - std::panicking::try::do_call::h0bd179d5dd073572
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   24:     0x5635de645fad - __rust_try
[INFO] [stderr]   25:     0x5635de643c27 - std::panicking::try::h3295c7a348295c3e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   26:     0x5635de650dbe - std::panic::catch_unwind::h2a7b53040e52905c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   27:     0x5635de65164e - std::thread::Builder::spawn_unchecked::{{closure}}::h9f23938c5e0a40cd
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   28:     0x5635de64d46e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h59acd81b7b83e3b9
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   29:     0x5635de6b12aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   30:     0x5635de6b12aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   31:     0x5635de6b12aa - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   32:     0x7f0f018c5609 - start_thread
[INFO] [stderr]   33:     0x7f0f01b50103 - clone
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/seq-64821119674923a5
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test_adjust ... ok
[INFO] [stdout] test test_get_empty ... ok
[INFO] [stdout] test test_empty_len ... ok
[INFO] [stdout] test test_get_out_of_bounds ... ok
[INFO] [stdout] test test_index ... ok
[INFO] [stdout] test test_get_nonempty ... ok
[INFO] [stdout] test test_front_empty ... ok
[INFO] [stdout] test test_front_nonempty ... ok
[INFO] [stdout] test test_iter_push_front ... ok
[INFO] [stdout] test test_singleton_len ... ok
[INFO] [stdout] test test_iter_singleton ... ok
[INFO] [stdout] test test_singleton_not_is_empty ... ok
[INFO] [stdout] test test_split_empty ... ok
[INFO] [stdout] test test_skip ... ok
[INFO] [stdout] test test_truncate ... ok
[INFO] [stdout] test test_split ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_split_singleton ... ok
[INFO] [stdout] test test_iter_append ... ok
[INFO] [stdout] test test_update ... ok
[INFO] [stdout] test test_back_nonempty ... ok
[INFO] [stdout] test test_back_empty ... ok
[INFO] [stdout] test test_empty_is_empty ... ok
[INFO] [stdout] test test_front_pop_front ... ok
[INFO] [stdout] test test_iter_empty ... ok
[INFO] [stdout] test test_back_pop_back ... ok
[INFO] [stdout] test test_iter_push_back ... ok
[INFO] [stdout] test test_vec_macro ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/seq_quickcheck-dd9bfb119c173fc3
[INFO] [stdout] test test_index_out_of_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_action_series_drop_slot ... ok
[INFO] [stdout] test test_check_temp ... ok
[INFO] [stdout] test check_model_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests immutable-seq
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lazy.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |         $crate::lazy::Thunk::new(move || { $($e);* })
[INFO] [stderr]    |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lazy.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |         $crate::lazy::Thunk::new(move || { value({$($e);*}) })
[INFO] [stderr]    |                                                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stdout] running 4 tests
[INFO] [stderr] 
[INFO] [stdout] test src/lazy.rs - lazy (line 13) ... ignored
[INFO] [stdout] test src/lazy.rs - lazy::Thunk<T>::new (line 72) ... ignored
[INFO] [stdout] test src/seq.rs - seq (line 182) ... ok
[INFO] [stdout] test src/seq.rs - seq (line 193) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7c1924ddf417e91a09572519848769cbd869f6b3bf3f03976bd9627522c84a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c1924ddf417e91a09572519848769cbd869f6b3bf3f03976bd9627522c84a8", kill_on_drop: false }`
[INFO] [stdout] b7c1924ddf417e91a09572519848769cbd869f6b3bf3f03976bd9627522c84a8
