[INFO] fetching crate rusty-variation 0.1.0... [INFO] extracting crate rusty-variation 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/rusty-variation/0.1.0 [INFO] extracting crate rusty-variation 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusty-variation/0.1.0 [INFO] validating manifest of rusty-variation-0.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rusty-variation-0.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/rusty-variation/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rusty-variation-0.1.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 42c6e4588ace6f40d6862006a7083d6d475854104f486ea944e3b5a96fae2890 [INFO] running `"docker" "start" "-a" "42c6e4588ace6f40d6862006a7083d6d475854104f486ea944e3b5a96fae2890"` [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 0.38s [INFO] running `"docker" "inspect" "42c6e4588ace6f40d6862006a7083d6d475854104f486ea944e3b5a96fae2890"` [INFO] running `"docker" "rm" "-f" "42c6e4588ace6f40d6862006a7083d6d475854104f486ea944e3b5a96fae2890"` [INFO] [stdout] 42c6e4588ace6f40d6862006a7083d6d475854104f486ea944e3b5a96fae2890 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] bf8c765d2c83a791ee5264e9955a8c488d6813215fd3095384b83b5854d8b8fd [INFO] running `"docker" "start" "-a" "bf8c765d2c83a791ee5264e9955a8c488d6813215fd3095384b83b5854d8b8fd"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [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 4.07s [INFO] running `"docker" "inspect" "bf8c765d2c83a791ee5264e9955a8c488d6813215fd3095384b83b5854d8b8fd"` [INFO] running `"docker" "rm" "-f" "bf8c765d2c83a791ee5264e9955a8c488d6813215fd3095384b83b5854d8b8fd"` [INFO] [stdout] bf8c765d2c83a791ee5264e9955a8c488d6813215fd3095384b83b5854d8b8fd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 2d5b4a9d957e4972af8ec841d22fd4551f2191b4aaf1f344f7da8ab7d77b825a [INFO] running `"docker" "start" "-a" "2d5b4a9d957e4972af8ec841d22fd4551f2191b4aaf1f344f7da8ab7d77b825a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/rusty_variation-16c02a4b3dfd042f [INFO] [stdout] running 8 tests [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:333:33 [INFO] [stderr] stack backtrace: [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:391:33 [INFO] [stderr] thread '' panicked at 'receiving on a closed channel', src/lib.rs:373:34 [INFO] [stdout] test tests::ping_works ... ok [INFO] [stdout] test tests::nice_calc_works ... ok [INFO] [stdout] test tests::recursion_works ... ok [INFO] [stdout] test tests::cancel_recv_works ... ok [INFO] [stdout] test tests::simple_calc_works ... ok [INFO] [stderr] 0: 0x55c7b9801f7b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c7b9801f7b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c7b9801f7b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c7b9801f7b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c7b9801f7b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55c7b9801c7c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55c7b98026f0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55c7b9802272 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55c7b98021bf - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x55c7b97141d7 - rusty_variation::tests::cancel_send_works::{{closure}}::hae5159f1d8d3bf50 [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55c7b971851b - std::sys_common::backtrace::__rust_begin_short_backtrace::h43ae60075c0af6b4 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55c7b970931d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hef139208d54c96ed [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55c7b972e6bd - as core::ops::function::FnOnce<()>>::call_once::h6680ed9279ed3056 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 13: 0x55c7b97297f0 - std::panicking::try::do_call::h3b90885db59a4986 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 14: 0x55c7b98053aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 15: 0x55c7b9729663 - std::panicking::try::hc9c5ae46bad395e6 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 16: 0x55c7b973130d - std::panic::catch_unwind::ha25ba94d91fda859 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 17: 0x55c7b9708f4a - std::thread::Builder::spawn_unchecked::{{closure}}::hfaded6027c9279b5 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55c7b9719323 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfaea9c5f72ee8e3e [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55c7b97f7d5f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55c7b9804a60 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55c7b9804a60 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55c7b9804a60 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7f302b9634a4 - start_thread [INFO] [stderr] 24: 0x7f302b48ed0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c7b9801f7b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c7b9801f7b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c7b9801f7b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c7b9801f7b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c7b9801f7b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55c7b9801c7c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55c7b98026f0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55c7b9802272 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55c7b98021bf - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x55c7b9716cf7 - rusty_variation::tests::closure_works::{{closure}}::hc823226aa01a1d48 [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55c7b97185fb - std::sys_common::backtrace::__rust_begin_short_backtrace::hde16f1a573f91c88 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55c7b970913d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h00ad663299cf8c85 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55c7b972e62d - as core::ops::function::FnOnce<()>>::call_once::h39582e1fe57cb29f [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 13: 0x55c7b9729840 - std::panicking::try::do_call::h433f8123bc4fd76f [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 14: 0x55c7b98053aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 15: 0x55c7b97287c3 - std::panicking::try::h239e7f12687f424e [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 16: 0x55c7b97311cd - std::panic::catch_unwind::h1833656c8847fa3e [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 17: 0x55c7b970892a - std::thread::Builder::spawn_unchecked::{{closure}}::haf15bafb061eb07c [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55c7b9719213 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h33ec2a8aba31440a [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55c7b97f7d5f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55c7b9804a60 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55c7b9804a60 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55c7b9804a60 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7f302b9634a4 - start_thread [INFO] [stderr] 24: 0x7f302b48ed0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c7b9801f7b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c7b9801f7b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c7b9801f7b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c7b9801f7b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c7b9801f7b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55c7b9801c7c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55c7b98026f0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55c7b9802272 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55c7b98021bf - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x55c7b9716237 - rusty_variation::tests::delegation_works::{{closure}}::h1e0e42284f8afafb [INFO] [stderr] at src/lib.rs:97 [INFO] [stderr] 10: 0x55c7b971859b - std::sys_common::backtrace::__rust_begin_short_backtrace::hb2235dedb08b3a64 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 11: 0x55c7b97091fd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7aafc464e2e4bb7c [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 12: 0x55c7b972e71d - as core::ops::function::FnOnce<()>>::call_once::h7abd1687b1e8806f [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 13: 0x55c7b9729890 - std::panicking::try::do_call::h450c106ab22662fc [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 14: 0x55c7b98053aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 15: 0x55c7b9728b03 - std::panicking::try::h3fb9400ec77d637c [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 16: 0x55c7b973128d - std::panic::catch_unwind::h45d99ddea2794ecc [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 17: 0x55c7b970830a - std::thread::Builder::spawn_unchecked::{{closure}}::h9d7ebf9a80f64110 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 18: 0x55c7b9719343 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb0472073bec6462 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 19: 0x55c7b97f7d5f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55c7b9804a60 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55c7b9804a60 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 22: 0x55c7b9804a60 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 23: 0x7f302b9634a4 - start_thread [INFO] [stderr] 24: 0x7f302b48ed0f - __clone [INFO] [stderr] 25: 0x0 - [INFO] [stderr] Doc-tests rusty-variation [INFO] [stdout] test tests::cancel_send_works ... ok [INFO] [stdout] test tests::delegation_works ... ok [INFO] [stdout] test tests::closure_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" "2d5b4a9d957e4972af8ec841d22fd4551f2191b4aaf1f344f7da8ab7d77b825a"` [INFO] running `"docker" "rm" "-f" "2d5b4a9d957e4972af8ec841d22fd4551f2191b4aaf1f344f7da8ab7d77b825a"` [INFO] [stdout] 2d5b4a9d957e4972af8ec841d22fd4551f2191b4aaf1f344f7da8ab7d77b825a