[INFO] cloning repository https://github.com/ParkerTenBroeck/risc-v-32-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ParkerTenBroeck/risc-v-32-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Frisc-v-32-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Frisc-v-32-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1aadb57fb148a884f9c1b526726b717fdc77081f [INFO] checking ParkerTenBroeck/risc-v-32-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Frisc-v-32-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkerTenBroeck/risc-v-32-rs 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/ParkerTenBroeck/risc-v-32-rs [INFO] finished tweaking git repo https://github.com/ParkerTenBroeck/risc-v-32-rs [INFO] tweaked toml for git repo https://github.com/ParkerTenBroeck/risc-v-32-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ParkerTenBroeck/risc-v-32-rs 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 raw_tty v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2ac8f09f756c4c0ae29f5626c150aa470dac6ce73ea98ac8869a07918bbe0379 [INFO] running `Command { std: "docker" "start" "-a" "2ac8f09f756c4c0ae29f5626c150aa470dac6ce73ea98ac8869a07918bbe0379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ac8f09f756c4c0ae29f5626c150aa470dac6ce73ea98ac8869a07918bbe0379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ac8f09f756c4c0ae29f5626c150aa470dac6ce73ea98ac8869a07918bbe0379", kill_on_drop: false }` [INFO] [stdout] 2ac8f09f756c4c0ae29f5626c150aa470dac6ce73ea98ac8869a07918bbe0379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 99855e7b35133e1d22b61f2e4542b807f6a8cc58540bf27088aa773ffebd8ffc [INFO] running `Command { std: "docker" "start" "-a" "99855e7b35133e1d22b61f2e4542b807f6a8cc58540bf27088aa773ffebd8ffc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling signal-hook v0.3.15 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Checking raw_tty v0.1.0 [INFO] [stderr] Checking mini-rv32ima-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `process::Stdio` [INFO] [stdout] --> src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | process::Stdio, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `process::Stdio` [INFO] [stdout] --> src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | process::Stdio, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `trap` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | trap = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc_vaddress` [INFO] [stdout] --> src/mini_rv32ima.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn step(&mut self, ram: &mut [u8], proc_vaddress: u32, elapsed_us: u64, steps: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proc_vaddress` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ir` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:555:17 [INFO] [stdout] | [INFO] [stdout] 555 | let mut ir: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `trap` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | trap = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc_vaddress` [INFO] [stdout] --> src/mini_rv32ima.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn step(&mut self, ram: &mut [u8], proc_vaddress: u32, elapsed_us: u64, steps: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proc_vaddress` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ir` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:555:17 [INFO] [stdout] | [INFO] [stdout] 555 | let mut ir: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.79s [INFO] running `Command { std: "docker" "inspect" "99855e7b35133e1d22b61f2e4542b807f6a8cc58540bf27088aa773ffebd8ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99855e7b35133e1d22b61f2e4542b807f6a8cc58540bf27088aa773ffebd8ffc", kill_on_drop: false }` [INFO] [stdout] 99855e7b35133e1d22b61f2e4542b807f6a8cc58540bf27088aa773ffebd8ffc [INFO] checking ParkerTenBroeck/risc-v-32-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerTenBroeck%2Frisc-v-32-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkerTenBroeck/risc-v-32-rs 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/ParkerTenBroeck/risc-v-32-rs [INFO] finished tweaking git repo https://github.com/ParkerTenBroeck/risc-v-32-rs [INFO] tweaked toml for git repo https://github.com/ParkerTenBroeck/risc-v-32-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ParkerTenBroeck/risc-v-32-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e32f72f3843fef8a623935c47a9a766ded0e53182c8c0192fa1f4f684ab91467 [INFO] running `Command { std: "docker" "start" "-a" "e32f72f3843fef8a623935c47a9a766ded0e53182c8c0192fa1f4f684ab91467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e32f72f3843fef8a623935c47a9a766ded0e53182c8c0192fa1f4f684ab91467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e32f72f3843fef8a623935c47a9a766ded0e53182c8c0192fa1f4f684ab91467", kill_on_drop: false }` [INFO] [stdout] e32f72f3843fef8a623935c47a9a766ded0e53182c8c0192fa1f4f684ab91467 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bfa1a7ad4fe9164ab328ec25bdac67a4220eeee439ac9ee05c5793117c51468d [INFO] running `Command { std: "docker" "start" "-a" "bfa1a7ad4fe9164ab328ec25bdac67a4220eeee439ac9ee05c5793117c51468d", kill_on_drop: false }` [INFO] [stderr] Compiling signal-hook v0.3.15 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Checking raw_tty v0.1.0 [INFO] [stderr] Checking mini-rv32ima-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `process::Stdio` [INFO] [stdout] --> src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | process::Stdio, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `process::Stdio` [INFO] [stdout] --> src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | process::Stdio, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `trap` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | trap = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc_vaddress` [INFO] [stdout] --> src/mini_rv32ima.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn step(&mut self, ram: &mut [u8], proc_vaddress: u32, elapsed_us: u64, steps: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proc_vaddress` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ir` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:555:17 [INFO] [stdout] | [INFO] [stdout] 555 | let mut ir: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `trap` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | trap = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proc_vaddress` [INFO] [stdout] --> src/mini_rv32ima.rs:31:44 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn step(&mut self, ram: &mut [u8], proc_vaddress: u32, elapsed_us: u64, steps: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proc_vaddress` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ir` is never read [INFO] [stdout] --> src/mini_rv32ima.rs:555:17 [INFO] [stdout] | [INFO] [stdout] 555 | let mut ir: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.12s [INFO] running `Command { std: "docker" "inspect" "bfa1a7ad4fe9164ab328ec25bdac67a4220eeee439ac9ee05c5793117c51468d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfa1a7ad4fe9164ab328ec25bdac67a4220eeee439ac9ee05c5793117c51468d", kill_on_drop: false }` [INFO] [stdout] bfa1a7ad4fe9164ab328ec25bdac67a4220eeee439ac9ee05c5793117c51468d