[INFO] cloning repository https://github.com/mix64/rv32g-emulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mix64/rv32g-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmix64%2Frv32g-emulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmix64%2Frv32g-emulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b05060e07032a8d33d02445e6a5bbdf9cec9a495 [INFO] checking mix64/rv32g-emulator against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmix64%2Frv32g-emulator" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mix64/rv32g-emulator on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mix64/rv32g-emulator [INFO] finished tweaking git repo https://github.com/mix64/rv32g-emulator [INFO] tweaked toml for git repo https://github.com/mix64/rv32g-emulator written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mix64/rv32g-emulator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49389328433cdd46ab7117f2fac9e978686afd365b71b0f1ea7450d285d5b192 [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" "49389328433cdd46ab7117f2fac9e978686afd365b71b0f1ea7450d285d5b192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49389328433cdd46ab7117f2fac9e978686afd365b71b0f1ea7450d285d5b192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49389328433cdd46ab7117f2fac9e978686afd365b71b0f1ea7450d285d5b192", kill_on_drop: false }` [INFO] [stdout] 49389328433cdd46ab7117f2fac9e978686afd365b71b0f1ea7450d285d5b192 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 427bd31753334f02be1434750974cbf8c9fa31af2154c2522267627ac79198ca [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" "427bd31753334f02be1434750974cbf8c9fa31af2154c2522267627ac79198ca", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking elf v0.0.10 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking rv32g-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `SNaN` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | SNaN, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `RoundMode` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum RoundMode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_u32` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn from_u32(n: u32) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fadd` [INFO] [stdout] --> src/cpu/fpu.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn fadd(a: FloatParts, b: FloatParts, rm: RoundMode) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SNaN` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | SNaN, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `RoundMode` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | pub enum RoundMode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_u32` [INFO] [stdout] --> src/cpu/fpu/ieee754.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn from_u32(n: u32) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fadd` [INFO] [stdout] --> src/cpu/fpu.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn fadd(a: FloatParts, b: FloatParts, rm: RoundMode) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.32s [INFO] running `Command { std: "docker" "inspect" "427bd31753334f02be1434750974cbf8c9fa31af2154c2522267627ac79198ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "427bd31753334f02be1434750974cbf8c9fa31af2154c2522267627ac79198ca", kill_on_drop: false }` [INFO] [stdout] 427bd31753334f02be1434750974cbf8c9fa31af2154c2522267627ac79198ca