[INFO] updating cached 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" "-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] 71f47b4d32829044b460456e07263de63c0183ef
[INFO] testing arch-sim/alpha_sim against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farch-sim%2Falpha_sim" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arch-sim/alpha_sim on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31fa57261760a1fa8b6e457405902517be8076526dad1d3424aa4ceb0d26168b
[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" "31fa57261760a1fa8b6e457405902517be8076526dad1d3424aa4ceb0d26168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31fa57261760a1fa8b6e457405902517be8076526dad1d3424aa4ceb0d26168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fa57261760a1fa8b6e457405902517be8076526dad1d3424aa4ceb0d26168b", kill_on_drop: false }`
[INFO] [stdout] 31fa57261760a1fa8b6e457405902517be8076526dad1d3424aa4ceb0d26168b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b327a1a4d7e3344de38b03b351831b49bc51d36ff0737c9c856cc7e58a5501
[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" "49b327a1a4d7e3344de38b03b351831b49bc51d36ff0737c9c856cc7e58a5501", kill_on_drop: false }`
[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 0.88s
[INFO] running `Command { std: "docker" "inspect" "49b327a1a4d7e3344de38b03b351831b49bc51d36ff0737c9c856cc7e58a5501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b327a1a4d7e3344de38b03b351831b49bc51d36ff0737c9c856cc7e58a5501", kill_on_drop: false }`
[INFO] [stdout] 49b327a1a4d7e3344de38b03b351831b49bc51d36ff0737c9c856cc7e58a5501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36fb17006f130c11c9d84028f97cb56a9ef7864a75e5bf291c8d7474d7f25979
[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" "36fb17006f130c11c9d84028f97cb56a9ef7864a75e5bf291c8d7474d7f25979", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "36fb17006f130c11c9d84028f97cb56a9ef7864a75e5bf291c8d7474d7f25979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36fb17006f130c11c9d84028f97cb56a9ef7864a75e5bf291c8d7474d7f25979", kill_on_drop: false }`
[INFO] [stdout] 36fb17006f130c11c9d84028f97cb56a9ef7864a75e5bf291c8d7474d7f25979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1db0cc07dc9de16fa00128230818be837c42ad9869c6e38b2c75b3f52c9d230
[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" "c1db0cc07dc9de16fa00128230818be837c42ad9869c6e38b2c75b3f52c9d230", 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: 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: `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: 4 warnings emitted
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alpha_sim-ed7e89f91e32082d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alpha_sim-a62c68d996f39da0
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests alpha_sim
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr] warning: type `data_t` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/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: 1 warning emitted
[INFO] [stderr] 
[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" "c1db0cc07dc9de16fa00128230818be837c42ad9869c6e38b2c75b3f52c9d230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1db0cc07dc9de16fa00128230818be837c42ad9869c6e38b2c75b3f52c9d230", kill_on_drop: false }`
[INFO] [stdout] c1db0cc07dc9de16fa00128230818be837c42ad9869c6e38b2c75b3f52c9d230