[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 master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInphi%2Frust-lc3-vm" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inphi/rust-lc3-vm on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-10/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842edfa543504239729dbc2559b700446e54c3854a7f688761d3c01d9d39c8db
[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" "842edfa543504239729dbc2559b700446e54c3854a7f688761d3c01d9d39c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842edfa543504239729dbc2559b700446e54c3854a7f688761d3c01d9d39c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842edfa543504239729dbc2559b700446e54c3854a7f688761d3c01d9d39c8db", kill_on_drop: false }`
[INFO] [stdout] 842edfa543504239729dbc2559b700446e54c3854a7f688761d3c01d9d39c8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e334ec093d69d3430440abc8e1a9724e8db59b77a00a61889af7098f162de9c
[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" "2e334ec093d69d3430440abc8e1a9724e8db59b77a00a61889af7098f162de9c", 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] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[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 6.33s
[INFO] running `Command { std: "docker" "inspect" "2e334ec093d69d3430440abc8e1a9724e8db59b77a00a61889af7098f162de9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e334ec093d69d3430440abc8e1a9724e8db59b77a00a61889af7098f162de9c", kill_on_drop: false }`
[INFO] [stdout] 2e334ec093d69d3430440abc8e1a9724e8db59b77a00a61889af7098f162de9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 076d4541a53c3bff76bb922fb8087041fea7f8ac4815b5d1f760341ef9bf8a04
[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" "076d4541a53c3bff76bb922fb8087041fea7f8ac4815b5d1f760341ef9bf8a04", 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] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "076d4541a53c3bff76bb922fb8087041fea7f8ac4815b5d1f760341ef9bf8a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076d4541a53c3bff76bb922fb8087041fea7f8ac4815b5d1f760341ef9bf8a04", kill_on_drop: false }`
[INFO] [stdout] 076d4541a53c3bff76bb922fb8087041fea7f8ac4815b5d1f760341ef9bf8a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dcf0e52c0d5ffc340dc9456a84efce8c1986a9a60198dd3957087919038d1f0
[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" "3dcf0e52c0d5ffc340dc9456a84efce8c1986a9a60198dd3957087919038d1f0", 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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lc3_vm-e0d06b63ab4b4113
[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" "3dcf0e52c0d5ffc340dc9456a84efce8c1986a9a60198dd3957087919038d1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcf0e52c0d5ffc340dc9456a84efce8c1986a9a60198dd3957087919038d1f0", kill_on_drop: false }`
[INFO] [stdout] 3dcf0e52c0d5ffc340dc9456a84efce8c1986a9a60198dd3957087919038d1f0