[INFO] cloning repository https://github.com/arch-sim/alpha_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arch-sim/alpha_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farch-sim%2Falpha_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farch-sim%2Falpha_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71f47b4d32829044b460456e07263de63c0183ef
[INFO] testing arch-sim/alpha_sim against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farch-sim%2Falpha_sim" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arch-sim/alpha_sim on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arch-sim/alpha_sim
[INFO] finished tweaking git repo https://github.com/arch-sim/alpha_sim
[INFO] tweaked toml for git repo https://github.com/arch-sim/alpha_sim written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/arch-sim/alpha_sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a7ab6b6c7e9b559b04c6596eb151b02c2474856729181e886ad02a11f46d046
[INFO] running `Command { std: "docker" "start" "-a" "2a7ab6b6c7e9b559b04c6596eb151b02c2474856729181e886ad02a11f46d046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7ab6b6c7e9b559b04c6596eb151b02c2474856729181e886ad02a11f46d046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7ab6b6c7e9b559b04c6596eb151b02c2474856729181e886ad02a11f46d046", kill_on_drop: false }`
[INFO] [stdout] 2a7ab6b6c7e9b559b04c6596eb151b02c2474856729181e886ad02a11f46d046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2226e306dd775204df03c6bfb43b933702c0c1b8b0c6c5e22a3d2a1886bddfb
[INFO] running `Command { std: "docker" "start" "-a" "a2226e306dd775204df03c6bfb43b933702c0c1b8b0c6c5e22a3d2a1886bddfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alpha_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `data_t` should have an upper camel case name
[INFO] [stdout]   --> src/define.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type data_t = u64;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `DataT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]   --> src/sim_chip.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/sim_chip.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMSK`
[INFO] [stdout]   --> src/sim_chip.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const IMSK: i64 = 0x0ffff; /* mask of inst_buf */
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "a2226e306dd775204df03c6bfb43b933702c0c1b8b0c6c5e22a3d2a1886bddfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2226e306dd775204df03c6bfb43b933702c0c1b8b0c6c5e22a3d2a1886bddfb", kill_on_drop: false }`
[INFO] [stdout] a2226e306dd775204df03c6bfb43b933702c0c1b8b0c6c5e22a3d2a1886bddfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1cb5374b972fbd1a1f304f51244dd31ea5c5cfda5dd5c732b0583eee919b08
[INFO] running `Command { std: "docker" "start" "-a" "9a1cb5374b972fbd1a1f304f51244dd31ea5c5cfda5dd5c732b0583eee919b08", kill_on_drop: false }`
[INFO] [stdout] warning: type `data_t` should have an upper camel case name
[INFO] [stdout]   --> src/define.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type data_t = u64;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `DataT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling alpha_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]   --> src/sim_chip.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/sim_chip.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMSK`
[INFO] [stdout]   --> src/sim_chip.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const IMSK: i64 = 0x0ffff; /* mask of inst_buf */
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `data_t` should have an upper camel case name
[INFO] [stdout]   --> src/define.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type data_t = u64;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `DataT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]   --> src/sim_chip.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/sim_chip.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMSK`
[INFO] [stdout]   --> src/sim_chip.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const IMSK: i64 = 0x0ffff; /* mask of inst_buf */
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9a1cb5374b972fbd1a1f304f51244dd31ea5c5cfda5dd5c732b0583eee919b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1cb5374b972fbd1a1f304f51244dd31ea5c5cfda5dd5c732b0583eee919b08", kill_on_drop: false }`
[INFO] [stdout] 9a1cb5374b972fbd1a1f304f51244dd31ea5c5cfda5dd5c732b0583eee919b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3131cc0515d455feae2f14ba7aef15f672fd24da2d672eaa266b4c115d057657
[INFO] running `Command { std: "docker" "start" "-a" "3131cc0515d455feae2f14ba7aef15f672fd24da2d672eaa266b4c115d057657", kill_on_drop: false }`
[INFO] [stderr] warning: type `data_t` should have an upper camel case name
[INFO] [stderr]   --> src/define.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type data_t = u64;
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `DataT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prog`
[INFO] [stderr]   --> src/sim_chip.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/sim_chip.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(prog: &str, opt: &[String]) -> SimChip {
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `IMSK`
[INFO] [stderr]   --> src/sim_chip.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const IMSK: i64 = 0x0ffff; /* mask of inst_buf */
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alpha_sim` (lib) generated 4 warnings
[INFO] [stderr] warning: `alpha_sim` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alpha_sim-048a101b2e468471)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alpha_sim-5bbab1999e531d51)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alpha_sim
[INFO] [stdout] 
[INFO] [stderr] warning: type `data_t` should have an upper camel case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/define.rs:18:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 18 | pub type data_t = u64;
[INFO] [stdout] 
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `DataT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "3131cc0515d455feae2f14ba7aef15f672fd24da2d672eaa266b4c115d057657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3131cc0515d455feae2f14ba7aef15f672fd24da2d672eaa266b4c115d057657", kill_on_drop: false }`
[INFO] [stdout] 3131cc0515d455feae2f14ba7aef15f672fd24da2d672eaa266b4c115d057657