[INFO] crate rusty-variation 0.1.0 is already in cache [INFO] extracting crate rusty-variation 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rusty-variation/0.1.0 [INFO] extracting crate rusty-variation 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rusty-variation/0.1.0 [INFO] validating manifest of rusty-variation-0.1.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rusty-variation-0.1.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rusty-variation-0.1.0 [INFO] finished frobbing rusty-variation-0.1.0 [INFO] frobbed toml for rusty-variation-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rusty-variation/0.1.0/Cargo.toml [INFO] started frobbing rusty-variation-0.1.0 [INFO] finished frobbing rusty-variation-0.1.0 [INFO] frobbed toml for rusty-variation-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rusty-variation/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rusty-variation-0.1.0 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rusty-variation/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 8f9e9ad021e3dcfb6ad302b13073baa6c2c90bd7abff9939f5b6bef0085788d6 [INFO] running `"docker" "start" "-a" "8f9e9ad021e3dcfb6ad302b13073baa6c2c90bd7abff9939f5b6bef0085788d6"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rusty-variation v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [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/lib.rs:72:71 [INFO] [stderr] | [INFO] [stderr] 72 | -> Result<(T, S), Box> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:77:40 [INFO] [stderr] | [INFO] [stderr] 77 | pub fn close(s: End) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:82:42 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn cancel(x: T) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:140:36 [INFO] [stderr] | [INFO] [stderr] 140 | F: FnOnce(S1) -> Result>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:141:36 [INFO] [stderr] | [INFO] [stderr] 141 | G: FnOnce(S2) -> Result>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:138:77 [INFO] [stderr] | [INFO] [stderr] 138 | -> Result> [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:148:78 [INFO] [stderr] | [INFO] [stderr] 148 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:155:79 [INFO] [stderr] | [INFO] [stderr] 155 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `"docker" "inspect" "8f9e9ad021e3dcfb6ad302b13073baa6c2c90bd7abff9939f5b6bef0085788d6"` [INFO] running `"docker" "rm" "-f" "8f9e9ad021e3dcfb6ad302b13073baa6c2c90bd7abff9939f5b6bef0085788d6"` [INFO] [stdout] 8f9e9ad021e3dcfb6ad302b13073baa6c2c90bd7abff9939f5b6bef0085788d6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rusty-variation/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] b5665fad99c1a314ee63df5e836c6a20d944682728b98e41c1448515976bc706 [INFO] running `"docker" "start" "-a" "b5665fad99c1a314ee63df5e836c6a20d944682728b98e41c1448515976bc706"` [INFO] [stderr] Compiling rusty-variation v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:73 [INFO] [stderr] | [INFO] [stderr] 65 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [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/lib.rs:72:71 [INFO] [stderr] | [INFO] [stderr] 72 | -> Result<(T, S), Box> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:77:40 [INFO] [stderr] | [INFO] [stderr] 77 | pub fn close(s: End) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:82:42 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn cancel(x: T) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:140:36 [INFO] [stderr] | [INFO] [stderr] 140 | F: FnOnce(S1) -> Result>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:141:36 [INFO] [stderr] | [INFO] [stderr] 141 | G: FnOnce(S2) -> Result>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:138:77 [INFO] [stderr] | [INFO] [stderr] 138 | -> Result> [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:148:78 [INFO] [stderr] | [INFO] [stderr] 148 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:155:79 [INFO] [stderr] | [INFO] [stderr] 155 | -> Result> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Error + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:198:38 [INFO] [stderr] | [INFO] [stderr] 198 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 200 | let s = fork!(move |s: Send<(), End>| { [INFO] [stderr] | _____________________- [INFO] [stderr] 201 | | let s = send((), s)?; [INFO] [stderr] 202 | | close(s) [INFO] [stderr] 203 | | }); [INFO] [stderr] | |______________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:221:71 [INFO] [stderr] | [INFO] [stderr] 221 | fn simple_calc_server(s: SimpleCalcServer) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:238:38 [INFO] [stderr] | [INFO] [stderr] 238 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:278:67 [INFO] [stderr] | [INFO] [stderr] 278 | fn nice_calc_server(s: NiceCalcServer) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:296:38 [INFO] [stderr] | [INFO] [stderr] 296 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 305 | let s = select!(CalcOp::Neg, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 317 | let s = select!(CalcOp::Add, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:335:38 [INFO] [stderr] | [INFO] [stderr] 335 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 353 | let (other_thread, s) = fork_with_thread_id!( [INFO] [stderr] | _________________________________- [INFO] [stderr] 354 | | move |s: NiceCalcServer| {cancel(s)}); [INFO] [stderr] | |______________________________________________________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:356:38 [INFO] [stderr] | [INFO] [stderr] 356 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 358 | let s = select!(CalcOp::Add, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 374 | let (other_thread2, u) = fork_with_thread_id!( [INFO] [stderr] | __________________________________- [INFO] [stderr] 375 | | move |u: Recv, End>| {cancel(u)}); [INFO] [stderr] | |_________________________________________________________________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:377:38 [INFO] [stderr] | [INFO] [stderr] 377 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:393:39 [INFO] [stderr] | [INFO] [stderr] 393 | assert!(|| -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:396:54 [INFO] [stderr] | [INFO] [stderr] 396 | let f = move |x: i32| -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 397 | let s = select!(CalcOp::Neg, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:420:65 [INFO] [stderr] | [INFO] [stderr] 420 | fn nice_sum_server(s: NiceSumServer) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:424:79 [INFO] [stderr] | [INFO] [stderr] 424 | fn nice_sum_server_accum(s: NiceSumServer, x: i32) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:438:49 [INFO] [stderr] | [INFO] [stderr] 438 | -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 441 | let s = select!(SumOp::More, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:35 [INFO] [stderr] | [INFO] [stderr] 178 | (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 446 | let s = select!(SumOp::Done, s)?; [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:464:38 [INFO] [stderr] | [INFO] [stderr] 464 | assert!(|| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 478 | let s = fork!(move |s: Send<(), End>| { [INFO] [stderr] | _________________- [INFO] [stderr] 479 | | loop { [INFO] [stderr] 480 | | // Let's trick the reachability checker [INFO] [stderr] 481 | | if false { break; } [INFO] [stderr] ... | [INFO] [stderr] 484 | | Ok(()) [INFO] [stderr] 485 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:487:30 [INFO] [stderr] | [INFO] [stderr] 487 | || -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 496 | let s = fork!(move |s: Send<(), End>| { [INFO] [stderr] | _________________- [INFO] [stderr] 497 | | mem::forget(s); [INFO] [stderr] 498 | | Ok(()) [INFO] [stderr] 499 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:501:30 [INFO] [stderr] | [INFO] [stderr] 501 | || -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:47 [INFO] [stderr] | [INFO] [stderr] 107 | let r = (move || -> Result<_, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] ... [INFO] [stderr] 511 | let r2 = fork!(move |s2: Send<(), End>| { [INFO] [stderr] | __________________- [INFO] [stderr] 512 | | let (x, End) = recv(r1)?; [INFO] [stderr] 513 | | let End = send(x, s2)?; [INFO] [stderr] 514 | | Ok(()) [INFO] [stderr] 515 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:517:30 [INFO] [stderr] | [INFO] [stderr] 517 | || -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.70s [INFO] running `"docker" "inspect" "b5665fad99c1a314ee63df5e836c6a20d944682728b98e41c1448515976bc706"` [INFO] running `"docker" "rm" "-f" "b5665fad99c1a314ee63df5e836c6a20d944682728b98e41c1448515976bc706"` [INFO] [stdout] b5665fad99c1a314ee63df5e836c6a20d944682728b98e41c1448515976bc706 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rusty-variation/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] b9aba2f10c3325e5a23565472b31c507e6188d666dfeab1e03a2265fa107139d [INFO] running `"docker" "start" "-a" "b9aba2f10c3325e5a23565472b31c507e6188d666dfeab1e03a2265fa107139d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rusty_variation-b9f9320bc73125d8 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::recursion_works ... ok [INFO] [stdout] test tests::ping_works ... ok [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:373:34 [INFO] [stdout] test tests::cancel_recv_works ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::nice_calc_works ... ok [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:391:33 [INFO] [stdout] test tests::simple_calc_works ... ok [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:333:33 [INFO] [stderr] 0: 0x55703ae5eb5b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55703ae5eb5b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55703ae5eb5b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55703ae5eb5b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55703ae5eb5b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55703ae5e837 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55703ae5f2d0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55703ae5ee52 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55703ae5ed9f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x55703ad719a7 - rusty_variation::tests::delegation_works::{{closure}}::hf312b21e7d40ec23 [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55703ad777ab - std::sys_common::backtrace::__rust_begin_short_backtrace::h3cad79a5636e4921 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55703ad64abd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heee1798fc52a336d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55703ad89c5d - as core::ops::function::FnOnce<()>>::call_once::h32463be7d643a971 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 13: 0x55703ad84fa0 - std::panicking::try::do_call::h7227aad61509a69a [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 14: 0x55703ae6196a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 15: 0x55703ad84473 - std::panicking::try::h68bfd0909a47a7a1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 16: 0x55703ad8c95d - std::panic::catch_unwind::hbc4f90d2944e482e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 17: 0x55703ad63dba - std::thread::Builder::spawn_unchecked::{{closure}}::hb082175461209ace [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55703ad78513 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd487a66e1f295621 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55703ae546bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55703ae61030 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55703ae61030 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55703ae61030 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7fda3297b4a4 - start_thread [INFO] [stderr] 24: 0x7fda324a6d0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55703ae5eb5b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55703ae5eb5b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55703ae5eb5b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55703ae5eb5b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55703ae5eb5b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55703ae5e837 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55703ae5f2d0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55703ae5ee52 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55703ae5ed9f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x55703ad72467 - rusty_variation::tests::closure_works::{{closure}}::h620aa15e55836396 [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55703ad7780b - std::sys_common::backtrace::__rust_begin_short_backtrace::h63d595c780af982f [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55703ad64a2d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hdbb2924aed9479a2 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55703ad89dad - as core::ops::function::FnOnce<()>>::call_once::h918469829fbc2d69 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 13: 0x55703ad84dc0 - std::panicking::try::do_call::h1c29a74397d22f46 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 14: 0x55703ae6196a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 15: 0x55703ad842e3 - std::panicking::try::h6875577bbbe21bd8 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 16: 0x55703ad8c91d - std::panic::catch_unwind::hba3b25344244f9b7 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 17: 0x55703ad62e6a - std::thread::Builder::spawn_unchecked::{{closure}}::h4641eabf2b78de20 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55703ad784b3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h67ff7a68f9cd3f96 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55703ae546bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55703ae61030 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55703ae61030 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55703ae61030 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7fda3297b4a4 - start_thread [INFO] [stderr] 24: 0x7fda324a6d0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55703ae5eb5b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55703ae5eb5b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55703ae5eb5b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55703ae5eb5b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55703ae5eb5b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55703ae5e837 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55703ae5f2d0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55703ae5ee52 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55703ae5ed9f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x55703ad6f947 - rusty_variation::tests::cancel_send_works::{{closure}}::h1270117134f71810 [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55703ad7784b - std::sys_common::backtrace::__rust_begin_short_backtrace::hc9fc334a0618dbad [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55703ad649fd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hca14c3a3eaaa1ad6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55703ad89cbd - as core::ops::function::FnOnce<()>>::call_once::h4a992669f8f4ecbc [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 13: 0x55703ad85040 - std::panicking::try::do_call::hd17f4f3171124d8d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 14: 0x55703ae6196a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 15: 0x55703ad83ca3 - std::panicking::try::h08e41baadef93789 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 16: 0x55703ad8c85d - std::panic::catch_unwind::h9241e4f33d0897e9 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 17: 0x55703ad6317a - std::thread::Builder::spawn_unchecked::{{closure}}::h4b9af7b4f6146c15 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55703ad783e3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h175b16d2d25c0f8f [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55703ae546bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55703ae61030 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55703ae61030 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55703ae61030 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7fda3297b4a4 - start_thread [INFO] [stderr] 24: 0x7fda324a6d0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] Doc-tests rusty-variation [INFO] [stdout] test tests::closure_works ... ok [INFO] [stdout] test tests::cancel_send_works ... ok [INFO] [stdout] test tests::delegation_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "b9aba2f10c3325e5a23565472b31c507e6188d666dfeab1e03a2265fa107139d"` [INFO] running `"docker" "rm" "-f" "b9aba2f10c3325e5a23565472b31c507e6188d666dfeab1e03a2265fa107139d"` [INFO] [stdout] b9aba2f10c3325e5a23565472b31c507e6188d666dfeab1e03a2265fa107139d