[INFO] updating cached repository https://github.com/1011X/REL-16
[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] 9b8561f2f2e49ab66a7ddbcc5b42d5fe2e24e6d9
[INFO] checking 1011X/REL-16 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1011X%2FREL-16" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1011X/REL-16 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1011X/REL-16
[INFO] finished tweaking git repo https://github.com/1011X/REL-16
[INFO] tweaked toml for git repo https://github.com/1011X/REL-16 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/1011X/REL-16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591c4c49ae97efcd058619dc1d6b34f7dbdcf9d97090abada81e934694978fb7
[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" "591c4c49ae97efcd058619dc1d6b34f7dbdcf9d97090abada81e934694978fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591c4c49ae97efcd058619dc1d6b34f7dbdcf9d97090abada81e934694978fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591c4c49ae97efcd058619dc1d6b34f7dbdcf9d97090abada81e934694978fb7", kill_on_drop: false }`
[INFO] [stdout] 591c4c49ae97efcd058619dc1d6b34f7dbdcf9d97090abada81e934694978fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] daaae487ba0e08efc56b6291df5841c5dc16075b4429f57d805ec1927569adbd
[INFO] running `Command { std: "docker" "start" "-a" "daaae487ba0e08efc56b6291df5841c5dc16075b4429f57d805ec1927569adbd", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking rel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Offset`
[INFO] [stdout]  --> src/asm/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::isa::{Op, Offset};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/isa/op.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Offset`
[INFO] [stdout]  --> src/asm/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::isa::{Op, Offset};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/isa/op.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BP`
[INFO] [stdout]  --> src/vm/cpu.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BP: Reg = Reg::R6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Disk`
[INFO] [stdout]    --> src/vm/device.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     Disk(Vec<u16>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyboard`
[INFO] [stdout]    --> src/vm/device.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Keyboard,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Display`
[INFO] [stdout]    --> src/vm/device.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     Display,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `ALL_REGISTERS`
[INFO] [stdout]   --> src/isa/reg.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / pub static ALL_REGISTERS: [Reg; 8] = [
[INFO] [stdout] 19 | |     Reg::R0, Reg::R1, Reg::R2, Reg::R3, Reg::R4, Reg::R5,
[INFO] [stdout] 20 | |     Reg::R6, Reg::SP,
[INFO] [stdout] 21 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BP`
[INFO] [stdout]  --> src/vm/cpu.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BP: Reg = Reg::R6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Disk`
[INFO] [stdout]    --> src/vm/device.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     Disk(Vec<u16>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyboard`
[INFO] [stdout]    --> src/vm/device.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Keyboard,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Display`
[INFO] [stdout]    --> src/vm/device.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     Display,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `ALL_REGISTERS`
[INFO] [stdout]   --> src/isa/reg.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / pub static ALL_REGISTERS: [Reg; 8] = [
[INFO] [stdout] 19 | |     Reg::R0, Reg::R1, Reg::R2, Reg::R3, Reg::R4, Reg::R5,
[INFO] [stdout] 20 | |     Reg::R6, Reg::SP,
[INFO] [stdout] 21 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "daaae487ba0e08efc56b6291df5841c5dc16075b4429f57d805ec1927569adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaae487ba0e08efc56b6291df5841c5dc16075b4429f57d805ec1927569adbd", kill_on_drop: false }`
[INFO] [stdout] daaae487ba0e08efc56b6291df5841c5dc16075b4429f57d805ec1927569adbd