[INFO] cloning repository https://github.com/maxencefrenette/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxencefrenette/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxencefrenette%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxencefrenette%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e77add66b87aacd141b767c4ddaa5876963e1f0
[INFO] checking maxencefrenette/project-euler-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxencefrenette%2Fproject-euler-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxencefrenette/project-euler-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxencefrenette/project-euler-rust
[INFO] finished tweaking git repo https://github.com/maxencefrenette/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/maxencefrenette/project-euler-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maxencefrenette/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded gcd v1.2.0
[INFO] [stderr]   Downloaded mod_exp v1.0.1
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded cached v0.8.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded primal-sieve v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c2dce9b0e7e6027f640b1126251d20cfb3ef04e453ded5badc121644513698
[INFO] running `Command { std: "docker" "start" "-a" "57c2dce9b0e7e6027f640b1126251d20cfb3ef04e453ded5badc121644513698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c2dce9b0e7e6027f640b1126251d20cfb3ef04e453ded5badc121644513698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c2dce9b0e7e6027f640b1126251d20cfb3ef04e453ded5badc121644513698", kill_on_drop: false }`
[INFO] [stdout] 57c2dce9b0e7e6027f640b1126251d20cfb3ef04e453ded5badc121644513698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e27d986ed35be935e22a9aee941d4ee2f2ef1e5d1b9ae8a494d0c83c3f6c6f3
[INFO] running `Command { std: "docker" "start" "-a" "2e27d986ed35be935e22a9aee941d4ee2f2ef1e5d1b9ae8a494d0c83c3f6c6f3", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking gcd v1.2.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking cached v0.8.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]    Compiling project-euler-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking project-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         n @ 14...19 => format!("{}teen", spell(n - 10)),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         n @ 20...99 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 100...999 => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         n @ 14...19 => format!("{}teen", spell(n - 10)),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         n @ 20...99 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 100...999 => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "2e27d986ed35be935e22a9aee941d4ee2f2ef1e5d1b9ae8a494d0c83c3f6c6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e27d986ed35be935e22a9aee941d4ee2f2ef1e5d1b9ae8a494d0c83c3f6c6f3", kill_on_drop: false }`
[INFO] [stdout] 2e27d986ed35be935e22a9aee941d4ee2f2ef1e5d1b9ae8a494d0c83c3f6c6f3
[INFO] checking maxencefrenette/project-euler-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxencefrenette%2Fproject-euler-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxencefrenette/project-euler-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxencefrenette/project-euler-rust
[INFO] finished tweaking git repo https://github.com/maxencefrenette/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/maxencefrenette/project-euler-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/maxencefrenette/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb6c9b1d20e7b686a7987ea88891735e4bdf19da095ae61cf94a44ed34d8855
[INFO] running `Command { std: "docker" "start" "-a" "0cb6c9b1d20e7b686a7987ea88891735e4bdf19da095ae61cf94a44ed34d8855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb6c9b1d20e7b686a7987ea88891735e4bdf19da095ae61cf94a44ed34d8855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb6c9b1d20e7b686a7987ea88891735e4bdf19da095ae61cf94a44ed34d8855", kill_on_drop: false }`
[INFO] [stdout] 0cb6c9b1d20e7b686a7987ea88891735e4bdf19da095ae61cf94a44ed34d8855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6abc61b2b4bd89d987a839128a522e34eeb4db946dc5f0e561ce75569250f2
[INFO] running `Command { std: "docker" "start" "-a" "aa6abc61b2b4bd89d987a839128a522e34eeb4db946dc5f0e561ce75569250f2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking gcd v1.2.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking cached v0.8.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling project-euler-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]     Checking project-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         n @ 14...19 => format!("{}teen", spell(n - 10)),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         n @ 20...99 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 100...999 => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         n @ 14...19 => format!("{}teen", spell(n - 10)),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         n @ 20...99 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/solutions/p17.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 100...999 => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "aa6abc61b2b4bd89d987a839128a522e34eeb4db946dc5f0e561ce75569250f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6abc61b2b4bd89d987a839128a522e34eeb4db946dc5f0e561ce75569250f2", kill_on_drop: false }`
[INFO] [stdout] aa6abc61b2b4bd89d987a839128a522e34eeb4db946dc5f0e561ce75569250f2