[INFO] crate morphism 0.4.1 is already in cache
[INFO] testing morphism-0.4.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate morphism 0.4.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate morphism 0.4.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate morphism 0.4.1
[INFO] finished tweaking crates.io crate morphism 0.4.1
[INFO] tweaked toml for crates.io crate morphism 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a446e3ffeadce01fec5e524bdbde116934792c5ffcfa2ff8a8c2bcda828156f2
[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" "a446e3ffeadce01fec5e524bdbde116934792c5ffcfa2ff8a8c2bcda828156f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a446e3ffeadce01fec5e524bdbde116934792c5ffcfa2ff8a8c2bcda828156f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a446e3ffeadce01fec5e524bdbde116934792c5ffcfa2ff8a8c2bcda828156f2", kill_on_drop: false }`
[INFO] [stdout] a446e3ffeadce01fec5e524bdbde116934792c5ffcfa2ff8a8c2bcda828156f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4b6b0c1f958095b85605031e02301ef47262dbb40fef1273a54d920bb6acf4
[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" "6b4b6b0c1f958095b85605031e02301ef47262dbb40fef1273a54d920bb6acf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling morphism v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mfns: LinkedList<VecDeque<Box<Fn(*const ()) -> *const () + 'a>>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(*const ()) -> *const () + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6b4b6b0c1f958095b85605031e02301ef47262dbb40fef1273a54d920bb6acf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4b6b0c1f958095b85605031e02301ef47262dbb40fef1273a54d920bb6acf4", kill_on_drop: false }`
[INFO] [stdout] 6b4b6b0c1f958095b85605031e02301ef47262dbb40fef1273a54d920bb6acf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829c5a01e40595afa7f3c5c2f44087d921c65ffb9173c2715d6d95213dad9637
[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" "829c5a01e40595afa7f3c5c2f44087d921c65ffb9173c2715d6d95213dad9637", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mfns: LinkedList<VecDeque<Box<Fn(*const ()) -> *const () + 'a>>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(*const ()) -> *const () + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling morphism v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 |     mfns: LinkedList<VecDeque<Box<Fn(*const ()) -> *const () + 'a>>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(*const ()) -> *const () + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "829c5a01e40595afa7f3c5c2f44087d921c65ffb9173c2715d6d95213dad9637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829c5a01e40595afa7f3c5c2f44087d921c65ffb9173c2715d6d95213dad9637", kill_on_drop: false }`
[INFO] [stdout] 829c5a01e40595afa7f3c5c2f44087d921c65ffb9173c2715d6d95213dad9637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f66eadaf74aae0d0333090bc3816311cb930cdb4ddc18eb5a6f03c628262ead5
[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" "f66eadaf74aae0d0333090bc3816311cb930cdb4ddc18eb5a6f03c628262ead5", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:35
[INFO] [stderr]    |
[INFO] [stderr] 33 |     mfns: LinkedList<VecDeque<Box<Fn(*const ()) -> *const () + 'a>>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(*const ()) -> *const () + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:35
[INFO] [stderr]    |
[INFO] [stderr] 33 |     mfns: LinkedList<VecDeque<Box<Fn(*const ()) -> *const () + 'a>>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(*const ()) -> *const () + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/morphism-00649b3b48fa658d
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests morphism
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Morphism::head (line 92) ... FAILED
[INFO] [stdout] test src/lib.rs - Morphism::push_back (line 191) ... FAILED
[INFO] [stdout] test src/lib.rs - Morphism::new (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - Morphism::push_front (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - Morphism::tail (line 166) ... FAILED
[INFO] [stdout] test src/lib.rs - Morphism::then (line 213) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Morphism::head (line 92) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:95:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let f = Morphism::new::<Option<String>>()
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Morphism::push_back (line 191) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:194:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut f = Morphism::new::<u64>();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Morphism::new (line 44) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:47:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(Morphism::new::<u64>().run(42u64), 42u64);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Morphism::push_front (line 117) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:120:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut f = Morphism::new::<u64>();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Morphism::tail (line 166) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:169:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let f = Morphism::new::<u64>()
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Morphism::then (line 213) stdout ----
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]  --> src/lib.rs:216:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut f = Morphism::new::<u64>();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> src/lib.rs:223:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | let mut g = Morphism::new::<Option<u64>>();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Morphism::head (line 92)
[INFO] [stdout]     src/lib.rs - Morphism::new (line 44)
[INFO] [stdout]     src/lib.rs - Morphism::push_back (line 191)
[INFO] [stdout]     src/lib.rs - Morphism::push_front (line 117)
[INFO] [stdout]     src/lib.rs - Morphism::tail (line 166)
[INFO] [stdout]     src/lib.rs - Morphism::then (line 213)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f66eadaf74aae0d0333090bc3816311cb930cdb4ddc18eb5a6f03c628262ead5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66eadaf74aae0d0333090bc3816311cb930cdb4ddc18eb5a6f03c628262ead5", kill_on_drop: false }`
[INFO] [stdout] f66eadaf74aae0d0333090bc3816311cb930cdb4ddc18eb5a6f03c628262ead5