[INFO] cloning repository https://github.com/hadrien-psydk/dkalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hadrien-psydk/dkalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhadrien-psydk%2Fdkalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhadrien-psydk%2Fdkalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 616cf96a464c2ddfb5f9c9da0fc9b45456ea4a4b
[INFO] testing hadrien-psydk/dkalc against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhadrien-psydk%2Fdkalc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hadrien-psydk/dkalc on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hadrien-psydk/dkalc
[INFO] finished tweaking git repo https://github.com/hadrien-psydk/dkalc
[INFO] tweaked toml for git repo https://github.com/hadrien-psydk/dkalc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hadrien-psydk/dkalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b51374b00a04f471777cc06c21f3f48388fbdad959f0964cb4bca42b3b6e2ba
[INFO] running `Command { std: "docker" "start" "-a" "4b51374b00a04f471777cc06c21f3f48388fbdad959f0964cb4bca42b3b6e2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b51374b00a04f471777cc06c21f3f48388fbdad959f0964cb4bca42b3b6e2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b51374b00a04f471777cc06c21f3f48388fbdad959f0964cb4bca42b3b6e2ba", kill_on_drop: false }`
[INFO] [stdout] 4b51374b00a04f471777cc06c21f3f48388fbdad959f0964cb4bca42b3b6e2ba
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0a88d6ad463d6c07cde2bdd49aba92dd1e0526f7e863f39003516311532beb
[INFO] running `Command { std: "docker" "start" "-a" "ac0a88d6ad463d6c07cde2bdd49aba92dd1e0526f7e863f39003516311532beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling pango v0.5.0
[INFO] [stderr]    Compiling dkalc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/eval.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(self.eval_node(left_id))
[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/eval.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(self.eval_node(right_id))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:319:3
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(BigDec::accumulate_u(&nv0.digits, &mut nv1_digits));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 |             try!(BigDec::accumulate_u(&line, &mut result)); // Cannot overflow actually
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:625:14
[INFO] [stdout]     |
[INFO] [stdout] 625 |             let mul = try!(BigDec::mul(bd_digit, power_of_16));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:626:18
[INFO] [stdout]     |
[INFO] [stdout] 626 |             comp_result = try!(BigDec::add(comp_result, mul));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:628:18
[INFO] [stdout]     |
[INFO] [stdout] 628 |             power_of_16 = try!(BigDec::mul(power_of_16, sixteen));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let arg_div_r = try!(BigDec::div(arg, r));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let r_add_adr = try!(BigDec::add(r, arg_div_r));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let r_aadr_div2 = try!(BigDec::div(r_add_adr, two));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let arg_square = try!(BigDec::mul(arg, arg));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let up = try!(BigDec::mul(step, arg_square));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let twice_n = try!(BigDec::add(n, n));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let twice_n_minus_one = try!(BigDec::sub(twice_n, one));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let down = try!(BigDec::mul(twice_n, twice_n_minus_one));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 |         step = try!(BigDec::div(up, down));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |             comp_result = try!(BigDec::sub(comp_result, step));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/funcs.rs:102:18
[INFO] [stdout]     |
[INFO] [stdout] 102 |             comp_result = try!(BigDec::add(comp_result, step));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/funcs.rs:111:7
[INFO] [stdout]     |
[INFO] [stdout] 111 |         n = try!(BigDec::add(n, one));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hamburger_button`
[INFO] [stdout]   --> src/main.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub hamburger_button: gtk::MenuButton
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "ac0a88d6ad463d6c07cde2bdd49aba92dd1e0526f7e863f39003516311532beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0a88d6ad463d6c07cde2bdd49aba92dd1e0526f7e863f39003516311532beb", kill_on_drop: false }`
[INFO] [stdout] ac0a88d6ad463d6c07cde2bdd49aba92dd1e0526f7e863f39003516311532beb
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa0a49c18d5ede5bb8b392c5d438d7e026bf0a8b7486025b4041a28d70aacd50
[INFO] running `Command { std: "docker" "start" "-a" "aa0a49c18d5ede5bb8b392c5d438d7e026bf0a8b7486025b4041a28d70aacd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling dkalc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/eval.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(self.eval_node(left_id))
[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/eval.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(self.eval_node(right_id))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:319:3
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(BigDec::accumulate_u(&nv0.digits, &mut nv1_digits));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 |             try!(BigDec::accumulate_u(&line, &mut result)); // Cannot overflow actually
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:625:14
[INFO] [stdout]     |
[INFO] [stdout] 625 |             let mul = try!(BigDec::mul(bd_digit, power_of_16));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:626:18
[INFO] [stdout]     |
[INFO] [stdout] 626 |             comp_result = try!(BigDec::add(comp_result, mul));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/big_dec.rs:628:18
[INFO] [stdout]     |
[INFO] [stdout] 628 |             power_of_16 = try!(BigDec::mul(power_of_16, sixteen));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let arg_div_r = try!(BigDec::div(arg, r));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let r_add_adr = try!(BigDec::add(r, arg_div_r));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let r_aadr_div2 = try!(BigDec::div(r_add_adr, two));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let arg_square = try!(BigDec::mul(arg, arg));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let up = try!(BigDec::mul(step, arg_square));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let twice_n = try!(BigDec::add(n, n));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let twice_n_minus_one = try!(BigDec::sub(twice_n, one));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let down = try!(BigDec::mul(twice_n, twice_n_minus_one));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 |         step = try!(BigDec::div(up, down));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/funcs.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |             comp_result = try!(BigDec::sub(comp_result, step));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/funcs.rs:102:18
[INFO] [stdout]     |
[INFO] [stdout] 102 |             comp_result = try!(BigDec::add(comp_result, step));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/funcs.rs:111:7
[INFO] [stdout]     |
[INFO] [stdout] 111 |         n = try!(BigDec::add(n, one));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hamburger_button`
[INFO] [stdout]   --> src/main.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub hamburger_button: gtk::MenuButton
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "aa0a49c18d5ede5bb8b392c5d438d7e026bf0a8b7486025b4041a28d70aacd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0a49c18d5ede5bb8b392c5d438d7e026bf0a8b7486025b4041a28d70aacd50", kill_on_drop: false }`
[INFO] [stdout] aa0a49c18d5ede5bb8b392c5d438d7e026bf0a8b7486025b4041a28d70aacd50
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8f6a1049795bc5cb5e697e7185cc8b09810cb64c97b5d2e3d532fe92e0839ac
[INFO] running `Command { std: "docker" "start" "-a" "d8f6a1049795bc5cb5e697e7185cc8b09810cb64c97b5d2e3d532fe92e0839ac", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/eval.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 |             try!(self.eval_node(left_id))
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/eval.rs:110:4
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(self.eval_node(right_id))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/big_dec.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |         try!(BigDec::accumulate_u(&nv0.digits, &mut nv1_digits));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/big_dec.rs:421:4
[INFO] [stderr]     |
[INFO] [stderr] 421 |             try!(BigDec::accumulate_u(&line, &mut result)); // Cannot overflow actually
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/big_dec.rs:625:14
[INFO] [stderr]     |
[INFO] [stderr] 625 |             let mul = try!(BigDec::mul(bd_digit, power_of_16));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/big_dec.rs:626:18
[INFO] [stderr]     |
[INFO] [stderr] 626 |             comp_result = try!(BigDec::add(comp_result, mul));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/big_dec.rs:628:18
[INFO] [stderr]     |
[INFO] [stderr] 628 |             power_of_16 = try!(BigDec::mul(power_of_16, sixteen));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let arg_div_r = try!(BigDec::div(arg, r));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let r_add_adr = try!(BigDec::add(r, arg_div_r));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let r_aadr_div2 = try!(BigDec::div(r_add_adr, two));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let arg_square = try!(BigDec::mul(arg, arg));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let up = try!(BigDec::mul(step, arg_square));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let twice_n = try!(BigDec::add(n, n));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let twice_n_minus_one = try!(BigDec::sub(twice_n, one));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let down = try!(BigDec::mul(twice_n, twice_n_minus_one));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |         step = try!(BigDec::div(up, down));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/funcs.rs:99:18
[INFO] [stderr]    |
[INFO] [stderr] 99 |             comp_result = try!(BigDec::sub(comp_result, step));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/funcs.rs:102:18
[INFO] [stderr]     |
[INFO] [stderr] 102 |             comp_result = try!(BigDec::add(comp_result, step));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/funcs.rs:111:7
[INFO] [stderr]     |
[INFO] [stderr] 111 |         n = try!(BigDec::add(n, one));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hamburger_button`
[INFO] [stderr]   --> src/main.rs:71:2
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub hamburger_button: gtk::MenuButton
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dkalc-6a3beb87bf5540ae)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test big_dec::test_add ... ok
[INFO] [stdout] test big_dec::test_add_overflow ... ok
[INFO] [stdout] test big_dec::test_mul_overflow ... ok
[INFO] [stdout] test big_dec::test_parse_underscore ... ok
[INFO] [stdout] test big_dec::test_div_u_no_frac ... ok
[INFO] [stdout] test big_dec::test_sub ... ok
[INFO] [stdout] test big_dec::test_div_mod ... ok
[INFO] [stdout] test test_parse_app_args ... ok
[INFO] [stdout] test text_canvas::test_text_canvas ... ok
[INFO] [stdout] test eval::test_order ... ok
[INFO] [stdout] test big_dec::test_parse_very_big ... ok
[INFO] [stdout] test big_dec::test_div ... ok
[INFO] [stdout] test big_dec::test_parse_hex ... ok
[INFO] [stdout] test big_dec::test_fact ... ok
[INFO] [stdout] test big_dec::test_mul ... ok
[INFO] [stdout] test eval::test_eval ... ok
[INFO] [stdout] test big_dec::test_parse_bin ... ok
[INFO] [stdout] test funcs::test_sqrt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8f6a1049795bc5cb5e697e7185cc8b09810cb64c97b5d2e3d532fe92e0839ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f6a1049795bc5cb5e697e7185cc8b09810cb64c97b5d2e3d532fe92e0839ac", kill_on_drop: false }`
[INFO] [stdout] d8f6a1049795bc5cb5e697e7185cc8b09810cb64c97b5d2e3d532fe92e0839ac
