[INFO] crate lichen 0.3.7 is already in cache
[INFO] testing lichen-0.3.7 against 1.45.2 for beta-1.46-1
[INFO] extracting crate lichen 0.3.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lichen 0.3.7 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b28a3cde42678d765a641fe300293caa5d47a1ff3ca47b3b5756ecf1945693d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b28a3cde42678d765a641fe300293caa5d47a1ff3ca47b3b5756ecf1945693d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28a3cde42678d765a641fe300293caa5d47a1ff3ca47b3b5756ecf1945693d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28a3cde42678d765a641fe300293caa5d47a1ff3ca47b3b5756ecf1945693d3", kill_on_drop: false }`
[INFO] [stdout] b28a3cde42678d765a641fe300293caa5d47a1ff3ca47b3b5756ecf1945693d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c22f433910bf1dadd6d0bf6942a335820b9f08b696014ce683dfe3a4ce4b2164
[INFO] running `Command { std: "docker" "start" "-a" "c22f433910bf1dadd6d0bf6942a335820b9f08b696014ce683dfe3a4ce4b2164", 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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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] 
[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 3.20s
[INFO] running `Command { std: "docker" "inspect" "c22f433910bf1dadd6d0bf6942a335820b9f08b696014ce683dfe3a4ce4b2164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22f433910bf1dadd6d0bf6942a335820b9f08b696014ce683dfe3a4ce4b2164", kill_on_drop: false }`
[INFO] [stdout] c22f433910bf1dadd6d0bf6942a335820b9f08b696014ce683dfe3a4ce4b2164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fc9de391dae7bb79693d9bd06813de4f458742795c56f231a90ddb209dde2e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4fc9de391dae7bb79693d9bd06813de4f458742795c56f231a90ddb209dde2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lichen v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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] 
[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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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] 
[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 4.22s
[INFO] running `Command { std: "docker" "inspect" "d4fc9de391dae7bb79693d9bd06813de4f458742795c56f231a90ddb209dde2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fc9de391dae7bb79693d9bd06813de4f458742795c56f231a90ddb209dde2e", kill_on_drop: false }`
[INFO] [stdout] d4fc9de391dae7bb79693d9bd06813de4f458742795c56f231a90ddb209dde2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbe8862a70dad50600189ed205abb6341de0b0685632cbabd66a6f0d58018076
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbe8862a70dad50600189ed205abb6341de0b0685632cbabd66a6f0d58018076", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[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/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: 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: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Def,&Logics) -> Option<bool> + Send`
[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/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: 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: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lichen-f8c47935278cc841
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/samples-bc300575e986c106
[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] [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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parse_def_block ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/state-723fc595a3c51438
[INFO] [stdout] test parse_cust_fn ... ok
[INFO] [stdout] test state_mut ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream-a37f3464e74422ff
[INFO] [stdout] test validate_or_block ... ok
[INFO] [stdout] test validate_when_block ... ok
[INFO] [stdout] test save_state ... 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unit-f48e5a381248c12c
[INFO] [stdout] test stream_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test parse_if_vec_block ... ok
[INFO] [stdout] test parse_follow_nodes ... ok
[INFO] [stdout] test parse_eval_str_block ... ok
[INFO] [stdout] test inline_logic_inv ... ok
[INFO] [stdout] test validate_qsym_block ... ok
[INFO] [stdout] test obj_dupe_mut ... ok
[INFO] [stdout] test parse_block ... ok
[INFO] [stdout] test parse_select_nodes ... ok
[INFO] [stdout] test validate_inv_logic ... ok
[INFO] [stdout] test parse_return_varkind ... ok
[INFO] [stdout] test parse_qsym_block ... ok
[INFO] [stdout] test parse_qsym_comp_block ... ok
[INFO] [stdout] test obj_from_scratch ... ok
[INFO] [stdout] test parse_or_logic ... ok
[INFO] [stdout] test parse_next_back_restart ... ok
[INFO] [stdout] test parse_compare_env_block ... ok
[INFO] [stdout] test obj_dupe_as_nested ... ok
[INFO] [stderr]    Doc-tests lichen
[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
[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 `Command { std: "docker" "inspect" "fbe8862a70dad50600189ed205abb6341de0b0685632cbabd66a6f0d58018076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe8862a70dad50600189ed205abb6341de0b0685632cbabd66a6f0d58018076", kill_on_drop: false }`
[INFO] [stdout] fbe8862a70dad50600189ed205abb6341de0b0685632cbabd66a6f0d58018076