[INFO] fetching crate lichen 0.3.7...
[INFO] testing lichen-0.3.7 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate lichen 0.3.7 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate lichen 0.3.7 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lichen 0.3.7
[INFO] finished tweaking crates.io crate lichen 0.3.7
[INFO] tweaked toml for crates.io crate lichen 0.3.7 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6e22655b6349aed4530d83cd9f7033bffe68d839154369acbfa63ba91b6dca
[INFO] running `Command { std: "docker" "start" "-a" "dc6e22655b6349aed4530d83cd9f7033bffe68d839154369acbfa63ba91b6dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6e22655b6349aed4530d83cd9f7033bffe68d839154369acbfa63ba91b6dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6e22655b6349aed4530d83cd9f7033bffe68d839154369acbfa63ba91b6dca", kill_on_drop: false }`
[INFO] [stdout] dc6e22655b6349aed4530d83cd9f7033bffe68d839154369acbfa63ba91b6dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04b98424ba1b528e818f6c4e915c17b10494b64319105778039068fac3833e82
[INFO] running `Command { std: "docker" "start" "-a" "04b98424ba1b528e818f6c4e915c17b10494b64319105778039068fac3833e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lichen v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   let r = try!(Var::parse(v));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:205:43
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   let src = try!(Src::parse(vec![IR::Sym(qsym),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...                   let src = try!(Src::parse(exps));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:310:37
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     let (m, v, a) = try!(Mut::parse(&mut exp));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:319:37
[INFO] [stdout]     |
[INFO] [stdout] 319 | ...                   let m = try!(Src::parse(v_ir));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:341:33
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   let r = try!(Var::parse(e));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:384:33
[INFO] [stdout]     |
[INFO] [stdout] 384 |                         let r = try!(Logic::parse(exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:390:33
[INFO] [stdout]     |
[INFO] [stdout] 390 |                         let r = try!(Logic::parse_comp(keys, exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let r = try!(Var::parse(n));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let r = try!(Var::parse(exps.pop().unwrap()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/logic.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let var = try!(Var::parse(var));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/logic.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let key = try!(Var::parse(key));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fun.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[Var], &Def) -> Option<Var> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/source.rs:240:37
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         if let Some(mut mfn) = fun.get_mut(fun_name) {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "04b98424ba1b528e818f6c4e915c17b10494b64319105778039068fac3833e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b98424ba1b528e818f6c4e915c17b10494b64319105778039068fac3833e82", kill_on_drop: false }`
[INFO] [stdout] 04b98424ba1b528e818f6c4e915c17b10494b64319105778039068fac3833e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 770c3eb647690b1e9b02758132bd7df4305a184f4c0d9f1b063481e6b5cff931
[INFO] running `Command { std: "docker" "start" "-a" "770c3eb647690b1e9b02758132bd7df4305a184f4c0d9f1b063481e6b5cff931", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   let r = try!(Var::parse(v));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lichen v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:205:43
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   let src = try!(Src::parse(vec![IR::Sym(qsym),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...                   let src = try!(Src::parse(exps));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:310:37
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     let (m, v, a) = try!(Mut::parse(&mut exp));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:319:37
[INFO] [stdout]     |
[INFO] [stdout] 319 | ...                   let m = try!(Src::parse(v_ir));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:341:33
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   let r = try!(Var::parse(e));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:384:33
[INFO] [stdout]     |
[INFO] [stdout] 384 |                         let r = try!(Logic::parse(exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:390:33
[INFO] [stdout]     |
[INFO] [stdout] 390 |                         let r = try!(Logic::parse_comp(keys, exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let r = try!(Var::parse(n));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let r = try!(Var::parse(exps.pop().unwrap()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/logic.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let var = try!(Var::parse(var));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/logic.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let key = try!(Var::parse(key));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fun.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[Var], &Def) -> Option<Var> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/source.rs:240:37
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         if let Some(mut mfn) = fun.get_mut(fun_name) {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   let r = try!(Var::parse(v));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:205:43
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   let src = try!(Src::parse(vec![IR::Sym(qsym),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parse.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...                   let src = try!(Src::parse(exps));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:310:37
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     let (m, v, a) = try!(Mut::parse(&mut exp));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:319:37
[INFO] [stdout]     |
[INFO] [stdout] 319 | ...                   let m = try!(Src::parse(v_ir));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:341:33
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:355:33
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         let r = try!(Var::parse(n));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   let r = try!(Var::parse(e));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:384:33
[INFO] [stdout]     |
[INFO] [stdout] 384 |                         let r = try!(Logic::parse(exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/source.rs:390:33
[INFO] [stdout]     |
[INFO] [stdout] 390 |                         let r = try!(Logic::parse_comp(keys, exp));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let r = try!(Var::parse(n));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/var.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let r = try!(Var::parse(exps.pop().unwrap()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/logic.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let var = try!(Var::parse(var));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/logic.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let key = try!(Var::parse(key));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fun.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[Var], &Def) -> Option<Var> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/source.rs:240:37
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         if let Some(mut mfn) = fun.get_mut(fun_name) {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "770c3eb647690b1e9b02758132bd7df4305a184f4c0d9f1b063481e6b5cff931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770c3eb647690b1e9b02758132bd7df4305a184f4c0d9f1b063481e6b5cff931", kill_on_drop: false }`
[INFO] [stdout] 770c3eb647690b1e9b02758132bd7df4305a184f4c0d9f1b063481e6b5cff931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15490fa1a77d517ee0cca8b70a07c6daad446d48f6df314aeae511c7078640f4
[INFO] running `Command { std: "docker" "start" "-a" "15490fa1a77d517ee0cca8b70a07c6daad446d48f6df314aeae511c7078640f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:194:37
[INFO] [stderr]     |
[INFO] [stderr] 194 | ...                   let r = try!(Var::parse(v));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:205:43
[INFO] [stderr]     |
[INFO] [stderr] 205 | ...                   let src = try!(Src::parse(vec![IR::Sym(qsym),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:211:39
[INFO] [stderr]     |
[INFO] [stderr] 211 | ...                   let src = try!(Src::parse(exps));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:310:37
[INFO] [stderr]     |
[INFO] [stderr] 310 |                     let (m, v, a) = try!(Mut::parse(&mut exp));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:319:37
[INFO] [stderr]     |
[INFO] [stderr] 319 | ...                   let m = try!(Src::parse(v_ir));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:341:33
[INFO] [stderr]     |
[INFO] [stderr] 341 |                         let r = try!(Var::parse(n));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:355:33
[INFO] [stderr]     |
[INFO] [stderr] 355 |                         let r = try!(Var::parse(n));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:373:37
[INFO] [stderr]     |
[INFO] [stderr] 373 | ...                   let r = try!(Var::parse(e));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:384:33
[INFO] [stderr]     |
[INFO] [stderr] 384 |                         let r = try!(Logic::parse(exp));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/source.rs:390:33
[INFO] [stderr]     |
[INFO] [stderr] 390 |                         let r = try!(Logic::parse_comp(keys, exp));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/var.rs:128:25
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let r = try!(Var::parse(n));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/var.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let r = try!(Var::parse(exps.pop().unwrap()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logic.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/logic.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let var = try!(Var::parse(var));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/logic.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let key = try!(Var::parse(key));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fun.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[Var], &Def) -> Option<Var> + Send`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/source.rs:240:37
[INFO] [stderr]     |
[INFO] [stderr] 240 |                         if let Some(mut mfn) = fun.get_mut(fun_name) {
[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: `lichen` (lib) generated 17 warnings
[INFO] [stderr] warning: `lichen` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lichen-05eeb1ca290db10d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/samples.rs (/opt/rustwide/target/debug/deps/samples-0b7636a9eb3083b6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bitrot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/state.rs (/opt/rustwide/target/debug/deps/state-508f0d20f229fe5c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parse_def_block ... ok
[INFO] [stdout] test validate_when_block ... ok
[INFO] [stdout] test state_mut ... ok
[INFO] [stdout] test parse_cust_fn ... ok
[INFO] [stderr]      Running tests/stream.rs (/opt/rustwide/target/debug/deps/stream-e4764f13564b0c82)
[INFO] [stdout] test save_state ... ok
[INFO] [stdout] test validate_or_block ... ok
[INFO] [stdout] test validate_def_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test stream_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-df066e20e64a1cf9)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test obj_from_scratch ... ok
[INFO] [stdout] test inline_logic_inv ... ok
[INFO] [stdout] test parse_compare_env_block ... ok
[INFO] [stdout] test parse_next_back_restart ... ok
[INFO] [stdout] test parse_if_vec_block ... ok
[INFO] [stdout] test parse_select_nodes ... ok
[INFO] [stdout] test parse_or_logic ... ok
[INFO] [stdout] test parse_follow_nodes ... ok
[INFO] [stdout] test parse_return_varkind ... ok
[INFO] [stdout] test parse_eval_str_block ... ok
[INFO] [stdout] test obj_dupe_mut ... ok
[INFO] [stdout] test parse_block ... ok
[INFO] [stdout] test parse_qsym_block ... ok
[INFO] [stdout] test parse_qsym_comp_block ... ok
[INFO] [stdout] test obj_dupe_as_nested ... ok
[INFO] [stdout] test validate_qsym_block ... ok
[INFO] [stdout] test validate_inv_logic ... ok
[INFO] [stdout] test validate_reflection_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lichen
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15490fa1a77d517ee0cca8b70a07c6daad446d48f6df314aeae511c7078640f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15490fa1a77d517ee0cca8b70a07c6daad446d48f6df314aeae511c7078640f4", kill_on_drop: false }`
[INFO] [stdout] 15490fa1a77d517ee0cca8b70a07c6daad446d48f6df314aeae511c7078640f4
