[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfcd5d5d288938fffa8a21c96f40d60460dfb7f0
[INFO] testing Inphi/rust-lc3-vm against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inphi/rust-lc3-vm on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+1.45.2" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed90917d1cbfcc52921489eaa87d54e94d4187c246c941318ae9a9157437970
[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" "bed90917d1cbfcc52921489eaa87d54e94d4187c246c941318ae9a9157437970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed90917d1cbfcc52921489eaa87d54e94d4187c246c941318ae9a9157437970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed90917d1cbfcc52921489eaa87d54e94d4187c246c941318ae9a9157437970", kill_on_drop: false }`
[INFO] [stdout] bed90917d1cbfcc52921489eaa87d54e94d4187c246c941318ae9a9157437970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9efd089fcf05c7dbd85d3a251521a26aea45e8e19288c27c68dbde29f5a8f95b
[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" "9efd089fcf05c7dbd85d3a251521a26aea45e8e19288c27c68dbde29f5a8f95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "9efd089fcf05c7dbd85d3a251521a26aea45e8e19288c27c68dbde29f5a8f95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efd089fcf05c7dbd85d3a251521a26aea45e8e19288c27c68dbde29f5a8f95b", kill_on_drop: false }`
[INFO] [stdout] 9efd089fcf05c7dbd85d3a251521a26aea45e8e19288c27c68dbde29f5a8f95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0694ca86793b306ee997798842245b13286a60fe6a96252eec828ae4c3b1440
[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" "a0694ca86793b306ee997798842245b13286a60fe6a96252eec828ae4c3b1440", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0694ca86793b306ee997798842245b13286a60fe6a96252eec828ae4c3b1440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0694ca86793b306ee997798842245b13286a60fe6a96252eec828ae4c3b1440", kill_on_drop: false }`
[INFO] [stdout] a0694ca86793b306ee997798842245b13286a60fe6a96252eec828ae4c3b1440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8786e0b936a36b14af11a4676123dfd4801418e315b9f818663c522c88d33019
[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" "8786e0b936a36b14af11a4676123dfd4801418e315b9f818663c522c88d33019", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `in_t`
[INFO] [stderr]   --> src/trap.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn in_t(vm: &VM) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DPSR`
[INFO] [stderr]   --> src/vm.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const DPSR: u16 = 0xFE04; // memory-mapped display status register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DPDR`
[INFO] [stderr]   --> src/vm.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const DPDR: u16 = 0xFE06; // memory-mapped display data register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MCCR`
[INFO] [stderr]   --> src/vm.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const MCCR: u16 = 0xFFFE; // memory-mapped machine control register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]    --> src/vm.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn read(&self, r: Register) -> u16 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rwrite`
[INFO] [stderr]    --> src/vm.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn rwrite(&mut self, r: Register, val: u16) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lc3_vm-34424c7c46fd20db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8786e0b936a36b14af11a4676123dfd4801418e315b9f818663c522c88d33019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8786e0b936a36b14af11a4676123dfd4801418e315b9f818663c522c88d33019", kill_on_drop: false }`
[INFO] [stdout] 8786e0b936a36b14af11a4676123dfd4801418e315b9f818663c522c88d33019