[INFO] cloning repository https://github.com/ducaale/hack-cpu-emulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducaale/hack-cpu-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fhack-cpu-emulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fhack-cpu-emulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 598f292ef720374a5d932582cfb399c14901e6b5 [INFO] checking ducaale/hack-cpu-emulator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fhack-cpu-emulator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ducaale/hack-cpu-emulator on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ducaale/hack-cpu-emulator [INFO] finished tweaking git repo https://github.com/ducaale/hack-cpu-emulator [INFO] tweaked toml for git repo https://github.com/ducaale/hack-cpu-emulator written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ducaale/hack-cpu-emulator 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossterm_winapi v0.6.1 [INFO] [stderr] Downloaded signal-hook-registry v1.2.0 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded quote v1.0.6 [INFO] [stderr] Downloaded proc-macro-hack v0.5.15 [INFO] [stderr] Downloaded proc-macro2 v1.0.17 [INFO] [stderr] Downloaded tui v0.9.4 [INFO] [stderr] Downloaded arc-swap v0.4.6 [INFO] [stderr] Downloaded syn v1.0.23 [INFO] [stderr] Downloaded crossterm v0.17.4 [INFO] [stderr] Downloaded libc v0.2.70 [INFO] [stderr] Downloaded signal-hook v0.1.15 [INFO] [stderr] Downloaded cassowary v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50591fe11e96a4b2fd60d4d9f1311e5cf8c5b582bbd934eb82f3ea2d54bb7292 [INFO] running `Command { std: "docker" "start" "-a" "50591fe11e96a4b2fd60d4d9f1311e5cf8c5b582bbd934eb82f3ea2d54bb7292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50591fe11e96a4b2fd60d4d9f1311e5cf8c5b582bbd934eb82f3ea2d54bb7292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50591fe11e96a4b2fd60d4d9f1311e5cf8c5b582bbd934eb82f3ea2d54bb7292", kill_on_drop: false }` [INFO] [stdout] 50591fe11e96a4b2fd60d4d9f1311e5cf8c5b582bbd934eb82f3ea2d54bb7292 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e857dcbf06bd65823c8aafde3b281b4fbc352702eadc85810be9f2264328d52c [INFO] running `Command { std: "docker" "start" "-a" "e857dcbf06bd65823c8aafde3b281b4fbc352702eadc85810be9f2264328d52c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Checking arc-swap v0.4.6 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking signal-hook v0.1.15 [INFO] [stderr] Checking crossterm v0.17.4 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking tui v0.9.4 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking hack-cpu-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/assembler.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | A { address: &'a str, line_number: usize }, [INFO] [stdout] | - ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/assembler.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | L { label: &'a str, line_number: usize }, [INFO] [stdout] | - ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/assembler.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | A { address: &'a str, line_number: usize }, [INFO] [stdout] | - ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line_number` is never read [INFO] [stdout] --> src/assembler.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | L { label: &'a str, line_number: usize }, [INFO] [stdout] | - ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/assembler.rs:125:73 [INFO] [stdout] | [INFO] [stdout] 125 | if rcomp.len() != 3 || rcomp[1] == '-' { panic!(error_message); } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 125 | if rcomp.len() != 3 || rcomp[1] == '-' { panic!("{}", error_message); } [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/assembler.rs:125:73 [INFO] [stdout] | [INFO] [stdout] 125 | if rcomp.len() != 3 || rcomp[1] == '-' { panic!(error_message); } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 125 | if rcomp.len() != 3 || rcomp[1] == '-' { panic!("{}", error_message); } [INFO] [stdout] | +++++ [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 3.13s [INFO] running `Command { std: "docker" "inspect" "e857dcbf06bd65823c8aafde3b281b4fbc352702eadc85810be9f2264328d52c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e857dcbf06bd65823c8aafde3b281b4fbc352702eadc85810be9f2264328d52c", kill_on_drop: false }` [INFO] [stdout] e857dcbf06bd65823c8aafde3b281b4fbc352702eadc85810be9f2264328d52c