[INFO] crate pcast 0.3.0 is already in cache
[INFO] extracting crate pcast 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/pcast/0.3.0
[INFO] extracting crate pcast 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pcast/0.3.0
[INFO] validating manifest of pcast-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pcast-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pcast-0.3.0
[INFO] finished frobbing pcast-0.3.0
[INFO] frobbed toml for pcast-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pcast/0.3.0/Cargo.toml
[INFO] started frobbing pcast-0.3.0
[INFO] finished frobbing pcast-0.3.0
[INFO] frobbed toml for pcast-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pcast/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pcast-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pcast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7e5271a2ea4418ce2e5203f1c914b870cfa61de56fd52b41692c60a67d84ef4c
[INFO] running `"docker" "start" "-a" "7e5271a2ea4418ce2e5203f1c914b870cfa61de56fd52b41692c60a67d84ef4c"`
[INFO] [stderr]    Compiling pcast v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "7e5271a2ea4418ce2e5203f1c914b870cfa61de56fd52b41692c60a67d84ef4c"`
[INFO] running `"docker" "rm" "-f" "7e5271a2ea4418ce2e5203f1c914b870cfa61de56fd52b41692c60a67d84ef4c"`
[INFO] [stdout] 7e5271a2ea4418ce2e5203f1c914b870cfa61de56fd52b41692c60a67d84ef4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pcast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4707566ccf1f588f4049f8a3939b132c5082ee581c52a767f00d54a871207cd
[INFO] running `"docker" "start" "-a" "b4707566ccf1f588f4049f8a3939b132c5082ee581c52a767f00d54a871207cd"`
[INFO] [stderr]    Compiling pcast v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let mut status_mut_ref: &mut StatusPacket = (&mut owned).try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:258:13
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let mut status_mut_view: &mut StatusPacket = pref.try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let mut status_mut_view: &mut StatusPacket = (&mut owned).try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "b4707566ccf1f588f4049f8a3939b132c5082ee581c52a767f00d54a871207cd"`
[INFO] running `"docker" "rm" "-f" "b4707566ccf1f588f4049f8a3939b132c5082ee581c52a767f00d54a871207cd"`
[INFO] [stdout] b4707566ccf1f588f4049f8a3939b132c5082ee581c52a767f00d54a871207cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pcast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] bfc5528939be762acb45dc6853c64e2de20c4c21bde4731c9695b35bdaeaa21d
[INFO] running `"docker" "start" "-a" "bfc5528939be762acb45dc6853c64e2de20c4c21bde4731c9695b35bdaeaa21d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pcast-8c71d5f169f63c0c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::call_base_and_sub_methods ... ok
[INFO] [stderr]    Doc-tests pcast
[INFO] [stdout] test test::send_from_ref ... ok
[INFO] [stdout] test test::test_send ... ok
[INFO] [stdout] test test::create_from_immutable_ref ... ok
[INFO] [stdout] test test::use_owned_status ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - subtype_of (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - subtype_of (line 72) stdout ----
[INFO] [stdout] error: cannot find macro `subtype_of!` in this scope
[INFO] [stdout]  --> src/lib.rs:73:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | subtype_of!(Base => Sub | Error { ... })
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - subtype_of (line 72)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "bfc5528939be762acb45dc6853c64e2de20c4c21bde4731c9695b35bdaeaa21d"`
[INFO] running `"docker" "rm" "-f" "bfc5528939be762acb45dc6853c64e2de20c4c21bde4731c9695b35bdaeaa21d"`
[INFO] [stdout] bfc5528939be762acb45dc6853c64e2de20c4c21bde4731c9695b35bdaeaa21d