[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/cfcd5d5d288938fffa8a21c96f40d60460dfb7f0 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Inphi/rust-lc3-vm on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Inphi/rust-lc3-vm 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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2080589dc6bbd93071f2f9dd92ed21e68bb792907194c68219a102fbc37ef85c
[INFO] running `Command { std: "docker" "start" "-a" "2080589dc6bbd93071f2f9dd92ed21e68bb792907194c68219a102fbc37ef85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2080589dc6bbd93071f2f9dd92ed21e68bb792907194c68219a102fbc37ef85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2080589dc6bbd93071f2f9dd92ed21e68bb792907194c68219a102fbc37ef85c", kill_on_drop: false }`
[INFO] [stdout] 2080589dc6bbd93071f2f9dd92ed21e68bb792907194c68219a102fbc37ef85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd206c39b799ee226a08aae68a89eba741502cfe3c29983275158f83b7f9e408
[INFO] running `Command { std: "docker" "start" "-a" "cd206c39b799ee226a08aae68a89eba741502cfe3c29983275158f83b7f9e408", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking log v0.4.6
[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 `in_t` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DPSR` is never used
[INFO] [stdout]   --> src/vm.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DPSR: u16 = 0xFE04; // memory-mapped display status register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DPDR` is never used
[INFO] [stdout]   --> src/vm.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const DPDR: u16 = 0xFE06; // memory-mapped display data register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCR` is never used
[INFO] [stdout]   --> src/vm.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MCCR: u16 = 0xFFFE; // memory-mapped machine control register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prompt` is never read
[INFO] [stdout]   --> src/vm.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub prompt: &'static str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `rwrite` are never used
[INFO] [stdout]    --> src/vm.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl VM {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read(&self, r: Register) -> u16 {
[INFO] [stdout]     |            ^^^^
[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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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 -                         panic!(err);
[INFO] [stdout] 149 +                         std::panic::panic_any(err);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_t` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DPSR` is never used
[INFO] [stdout]   --> src/vm.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DPSR: u16 = 0xFE04; // memory-mapped display status register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DPDR` is never used
[INFO] [stdout]   --> src/vm.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const DPDR: u16 = 0xFE06; // memory-mapped display data register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCR` is never used
[INFO] [stdout]   --> src/vm.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MCCR: u16 = 0xFFFE; // memory-mapped machine control register
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prompt` is never read
[INFO] [stdout]   --> src/vm.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub prompt: &'static str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `rwrite` are never used
[INFO] [stdout]    --> src/vm.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl VM {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read(&self, r: Register) -> u16 {
[INFO] [stdout]     |            ^^^^
[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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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 -                         panic!(err);
[INFO] [stdout] 149 +                         std::panic::panic_any(err);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "cd206c39b799ee226a08aae68a89eba741502cfe3c29983275158f83b7f9e408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd206c39b799ee226a08aae68a89eba741502cfe3c29983275158f83b7f9e408", kill_on_drop: false }`
[INFO] [stdout] cd206c39b799ee226a08aae68a89eba741502cfe3c29983275158f83b7f9e408
