[INFO] cloning repository https://github.com/Inphi/rust-lc3-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Inphi/rust-lc3-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cfcd5d5d288938fffa8a21c96f40d60460dfb7f0 [INFO] checking Inphi/rust-lc3-vm against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm" "/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/Inphi/rust-lc3-vm on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Inphi/rust-lc3-vm [INFO] finished tweaking git repo https://github.com/Inphi/rust-lc3-vm [INFO] tweaked toml for git repo https://github.com/Inphi/rust-lc3-vm written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Inphi/rust-lc3-vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d423ad68cd64f3a5839b5172ee82fb6eb72d4de1fafd55d48812e9076e7e814 [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" "4d423ad68cd64f3a5839b5172ee82fb6eb72d4de1fafd55d48812e9076e7e814", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d423ad68cd64f3a5839b5172ee82fb6eb72d4de1fafd55d48812e9076e7e814", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d423ad68cd64f3a5839b5172ee82fb6eb72d4de1fafd55d48812e9076e7e814", kill_on_drop: false }` [INFO] [stdout] 4d423ad68cd64f3a5839b5172ee82fb6eb72d4de1fafd55d48812e9076e7e814 [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14e61f6355700ec82fb6c9bd0199cc99b0594c02c17c941870eea5b5572cd60e [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" "14e61f6355700ec82fb6c9bd0199cc99b0594c02c17c941870eea5b5572cd60e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking lc3-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `in_t` [INFO] [stdout] --> src/trap.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn in_t(vm: &VM) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DPSR` [INFO] [stdout] --> src/vm.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | const DPSR: u16 = 0xFE04; // memory-mapped display status register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DPDR` [INFO] [stdout] --> src/vm.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const DPDR: u16 = 0xFE06; // memory-mapped display data register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MCCR` [INFO] [stdout] --> src/vm.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | const MCCR: u16 = 0xFFFE; // memory-mapped machine control register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read` [INFO] [stdout] --> src/vm.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn read(&self, r: Register) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rwrite` [INFO] [stdout] --> src/vm.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn rwrite(&mut self, r: Register, val: u16) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/vm.rs:149:32 [INFO] [stdout] | [INFO] [stdout] 149 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 149 | panic!("{}", err); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 149 | std::panic::panic_any(err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `in_t` [INFO] [stdout] --> src/trap.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn in_t(vm: &VM) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DPSR` [INFO] [stdout] --> src/vm.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | const DPSR: u16 = 0xFE04; // memory-mapped display status register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DPDR` [INFO] [stdout] --> src/vm.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const DPDR: u16 = 0xFE06; // memory-mapped display data register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MCCR` [INFO] [stdout] --> src/vm.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | const MCCR: u16 = 0xFFFE; // memory-mapped machine control register [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read` [INFO] [stdout] --> src/vm.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn read(&self, r: Register) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rwrite` [INFO] [stdout] --> src/vm.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn rwrite(&mut self, r: Register, val: u16) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/vm.rs:149:32 [INFO] [stdout] | [INFO] [stdout] 149 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 149 | panic!("{}", err); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 149 | std::panic::panic_any(err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.62s [INFO] running `Command { std: "docker" "inspect" "14e61f6355700ec82fb6c9bd0199cc99b0594c02c17c941870eea5b5572cd60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14e61f6355700ec82fb6c9bd0199cc99b0594c02c17c941870eea5b5572cd60e", kill_on_drop: false }` [INFO] [stdout] 14e61f6355700ec82fb6c9bd0199cc99b0594c02c17c941870eea5b5572cd60e