[INFO] fetching crate lichen 0.3.7...
[INFO] testing lichen-0.3.7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate lichen 0.3.7 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lichen 0.3.7 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4893de0c6177541e038793eee6be64be8ca0983252d3145065accb2f63b564
[INFO] running `Command { std: "docker" "start" "-a" "de4893de0c6177541e038793eee6be64be8ca0983252d3145065accb2f63b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4893de0c6177541e038793eee6be64be8ca0983252d3145065accb2f63b564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4893de0c6177541e038793eee6be64be8ca0983252d3145065accb2f63b564", kill_on_drop: false }`
[INFO] [stdout] de4893de0c6177541e038793eee6be64be8ca0983252d3145065accb2f63b564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7564704e06e152aa83e3d54fec3b25bb8432962183c63bf7b85cde05c7098caa
[INFO] running `Command { std: "docker" "start" "-a" "7564704e06e152aa83e3d54fec3b25bb8432962183c63bf7b85cde05c7098caa", kill_on_drop: false }`
[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: 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/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 - pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout] 49 + pub struct LogicFn(Box<dyn Fn(&Def,&Logics) -> Option<bool> + Send>);
[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]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout] 4 + pub struct Fun(Box<dyn FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   | 
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7564704e06e152aa83e3d54fec3b25bb8432962183c63bf7b85cde05c7098caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7564704e06e152aa83e3d54fec3b25bb8432962183c63bf7b85cde05c7098caa", kill_on_drop: false }`
[INFO] [stdout] 7564704e06e152aa83e3d54fec3b25bb8432962183c63bf7b85cde05c7098caa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec77e4c1deb68164c33466ad27c0cf744c4ced472afc2400dc5d264d98f3b1ec
[INFO] running `Command { std: "docker" "start" "-a" "ec77e4c1deb68164c33466ad27c0cf744c4ced472afc2400dc5d264d98f3b1ec", 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] [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: 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] [stderr]    Compiling lichen v0.3.7 (/opt/rustwide/workdir)
[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/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 - pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout] 49 + pub struct LogicFn(Box<dyn Fn(&Def,&Logics) -> Option<bool> + Send>);
[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]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout] 4 + pub struct Fun(Box<dyn FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   | 
[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: 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/logic.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 - pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stdout] 49 + pub struct LogicFn(Box<dyn Fn(&Def,&Logics) -> Option<bool> + Send>);
[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]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout] 4 + pub struct Fun(Box<dyn FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> tests/state.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ec77e4c1deb68164c33466ad27c0cf744c4ced472afc2400dc5d264d98f3b1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec77e4c1deb68164c33466ad27c0cf744c4ced472afc2400dc5d264d98f3b1ec", kill_on_drop: false }`
[INFO] [stdout] ec77e4c1deb68164c33466ad27c0cf744c4ced472afc2400dc5d264d98f3b1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e749d55803542eeccb5941248866176fbf4e5d033b19a073103cf5e501831beb
[INFO] running `Command { std: "docker" "start" "-a" "e749d55803542eeccb5941248866176fbf4e5d033b19a073103cf5e501831beb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/parse.rs:194:37
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 194 | ...                   let r = try!(Var::parse(v));
[INFO] [stdout] 
[INFO] [stderr]     |                               ^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 1 test
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test bitrot ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    --> src/parse.rs:205:43
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 205 | ...                   let src = try!(Src::parse(vec![IR::Sym(qsym),
[INFO] [stdout] running 7 tests
[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: 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/logic.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 - pub struct LogicFn(Box<Fn(&Def,&Logics) -> Option<bool> + Send>);
[INFO] [stderr] 49 + pub struct LogicFn(Box<dyn Fn(&Def,&Logics) -> Option<bool> + Send>);
[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]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 - pub struct Fun(Box<FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stderr] 4 + pub struct Fun(Box<dyn FnMut(&[Var], &Def) -> Option<Var> + Send>);
[INFO] [stderr]   | 
[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] warning: field is never read: `name`
[INFO] [stderr]   --> tests/state.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lichen` (test "state") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lichen-58f7b9a255c0d182)
[INFO] [stderr]      Running tests/samples.rs (/opt/rustwide/target/debug/deps/samples-47655b6d8f4658a2)
[INFO] [stderr]      Running tests/state.rs (/opt/rustwide/target/debug/deps/state-00587caeff6e9fe1)
[INFO] [stdout] test validate_or_block ... ok
[INFO] [stderr]      Running tests/stream.rs (/opt/rustwide/target/debug/deps/stream-5921490235c221f9)
[INFO] [stdout] test save_state ... ok
[INFO] [stdout] test parse_cust_fn ... ok
[INFO] [stdout] test state_mut ... ok
[INFO] [stdout] test parse_def_block ... ok
[INFO] [stdout] test validate_def_block ... ok
[INFO] [stdout] test validate_when_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-0a11c5a2a2b7580e)
[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] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test inline_logic_inv ... ok
[INFO] [stdout] test obj_dupe_mut ... ok
[INFO] [stdout] test obj_dupe_as_nested ... ok
[INFO] [stdout] test obj_from_scratch ... ok
[INFO] [stdout] test parse_compare_env_block ... ok
[INFO] [stdout] test parse_select_nodes ... ok
[INFO] [stdout] test validate_qsym_block ... ok
[INFO] [stdout] test parse_or_logic ... ok
[INFO] [stdout] test parse_if_vec_block ... ok
[INFO] [stdout] test parse_eval_str_block ... ok
[INFO] [stdout] test parse_next_back_restart ... ok
[INFO] [stdout] test parse_qsym_comp_block ... ok
[INFO] [stderr]    Doc-tests lichen
[INFO] [stdout] test parse_follow_nodes ... ok
[INFO] [stdout] test parse_block ... ok
[INFO] [stdout] test parse_qsym_block ... ok
[INFO] [stdout] test validate_reflection_block ... ok
[INFO] [stdout] test validate_inv_logic ... ok
[INFO] [stdout] test parse_return_varkind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e749d55803542eeccb5941248866176fbf4e5d033b19a073103cf5e501831beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e749d55803542eeccb5941248866176fbf4e5d033b19a073103cf5e501831beb", kill_on_drop: false }`
[INFO] [stdout] e749d55803542eeccb5941248866176fbf4e5d033b19a073103cf5e501831beb