[INFO] fetching crate hc 0.1.2...
[INFO] building hc-0.1.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate hc 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hc 0.1.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hc 0.1.2
[INFO] finished tweaking crates.io crate hc 0.1.2
[INFO] tweaked toml for crates.io crate hc 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", 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] d88e3097d55d3fb722e0a0958a8a15cccfbd251a1382075af96957a1a2f8168b
[INFO] running `Command { std: "docker" "start" "-a" "d88e3097d55d3fb722e0a0958a8a15cccfbd251a1382075af96957a1a2f8168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88e3097d55d3fb722e0a0958a8a15cccfbd251a1382075af96957a1a2f8168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88e3097d55d3fb722e0a0958a8a15cccfbd251a1382075af96957a1a2f8168b", kill_on_drop: false }`
[INFO] [stdout] d88e3097d55d3fb722e0a0958a8a15cccfbd251a1382075af96957a1a2f8168b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0046f6bf36df0e022cee566faf26a5d0bbadd6870914982c6ecce8e554bf6774
[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" "0046f6bf36df0e022cee566faf26a5d0bbadd6870914982c6ecce8e554bf6774", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling hc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "0046f6bf36df0e022cee566faf26a5d0bbadd6870914982c6ecce8e554bf6774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0046f6bf36df0e022cee566faf26a5d0bbadd6870914982c6ecce8e554bf6774", kill_on_drop: false }`
[INFO] [stdout] 0046f6bf36df0e022cee566faf26a5d0bbadd6870914982c6ecce8e554bf6774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--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] 5a7386bd94ff274582535a41b6cd660a49e83f626a144ee2b8312bbb59848a90
[INFO] running `Command { std: "docker" "start" "-a" "5a7386bd94ff274582535a41b6cd660a49e83f626a144ee2b8312bbb59848a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling hc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |       let lhs = try!(execute(ctx, &*l));
[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/executor.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |       let lhs = try!(execute(ctx, &*l));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/executor.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |       let rhs = try!(execute(ctx, &*r));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "5a7386bd94ff274582535a41b6cd660a49e83f626a144ee2b8312bbb59848a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7386bd94ff274582535a41b6cd660a49e83f626a144ee2b8312bbb59848a90", kill_on_drop: false }`
[INFO] [stdout] 5a7386bd94ff274582535a41b6cd660a49e83f626a144ee2b8312bbb59848a90
