[INFO] cloning repository https://github.com/xiaobai/cache-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaobai/cache-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaobai%2Fcache-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaobai%2Fcache-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5328dec6ee1d2bb4faa2676d442d701104eace63
[INFO] testing xiaobai/cache-sim against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaobai%2Fcache-sim" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaobai/cache-sim on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiaobai/cache-sim
[INFO] finished tweaking git repo https://github.com/xiaobai/cache-sim
[INFO] tweaked toml for git repo https://github.com/xiaobai/cache-sim written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaobai/cache-sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0fa4c49ed09da99419f8e4ea191bcb7c3171ee17ef516f0ff350f0868175dd
[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" "af0fa4c49ed09da99419f8e4ea191bcb7c3171ee17ef516f0ff350f0868175dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0fa4c49ed09da99419f8e4ea191bcb7c3171ee17ef516f0ff350f0868175dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0fa4c49ed09da99419f8e4ea191bcb7c3171ee17ef516f0ff350f0868175dd", kill_on_drop: false }`
[INFO] [stdout] af0fa4c49ed09da99419f8e4ea191bcb7c3171ee17ef516f0ff350f0868175dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a8f2e7f01420f19c5f657810afd9684f3fdd3b6dd924fa21a0ad82a6c5e7ac
[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" "c0a8f2e7f01420f19c5f657810afd9684f3fdd3b6dd924fa21a0ad82a6c5e7ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling cachesim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `in_l2`
[INFO] [stdout]   --> src/cache/mod.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let in_l2 = self.search_l2(mode, address);
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_in_l2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/cache/mod.rs:220:30
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cache/mod.rs:220:48
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to_l2`
[INFO] [stdout]    --> src/cache/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[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 14.95s
[INFO] running `Command { std: "docker" "inspect" "c0a8f2e7f01420f19c5f657810afd9684f3fdd3b6dd924fa21a0ad82a6c5e7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a8f2e7f01420f19c5f657810afd9684f3fdd3b6dd924fa21a0ad82a6c5e7ac", kill_on_drop: false }`
[INFO] [stdout] c0a8f2e7f01420f19c5f657810afd9684f3fdd3b6dd924fa21a0ad82a6c5e7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23fc2423fec4aff56f67cde3a259fed10c1924b788a7d0008947fc86c033113e
[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" "23fc2423fec4aff56f67cde3a259fed10c1924b788a7d0008947fc86c033113e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachesim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `in_l2`
[INFO] [stdout]   --> src/cache/mod.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let in_l2 = self.search_l2(mode, address);
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_in_l2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/cache/mod.rs:220:30
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cache/mod.rs:220:48
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to_l2`
[INFO] [stdout]    --> src/cache/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[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 1.09s
[INFO] running `Command { std: "docker" "inspect" "23fc2423fec4aff56f67cde3a259fed10c1924b788a7d0008947fc86c033113e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fc2423fec4aff56f67cde3a259fed10c1924b788a7d0008947fc86c033113e", kill_on_drop: false }`
[INFO] [stdout] 23fc2423fec4aff56f67cde3a259fed10c1924b788a7d0008947fc86c033113e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 647e8b5849a022c6842080f20726c66a7bb0b0f9dd0facf605e2f6c3bf8f19a4
[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" "647e8b5849a022c6842080f20726c66a7bb0b0f9dd0facf605e2f6c3bf8f19a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `in_l2`
[INFO] [stderr]   --> src/cache/mod.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let in_l2 = self.search_l2(mode, address);
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_in_l2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/cache/mod.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/cache/mod.rs:220:48
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_to_l2`
[INFO] [stderr]    --> src/cache/mod.rs:220:8
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cachesim-190d0cf2fb95ec10
[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" "647e8b5849a022c6842080f20726c66a7bb0b0f9dd0facf605e2f6c3bf8f19a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647e8b5849a022c6842080f20726c66a7bb0b0f9dd0facf605e2f6c3bf8f19a4", kill_on_drop: false }`
[INFO] [stdout] 647e8b5849a022c6842080f20726c66a7bb0b0f9dd0facf605e2f6c3bf8f19a4