[INFO] updating cached repository https://github.com/dwaas/ffs [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a7f99a8bf1f4c4cc8ffcffea54353447cf42f96c [INFO] testing dwaas/ffs against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwaas%2Fffs" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dwaas/ffs on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dwaas/ffs [INFO] finished tweaking git repo https://github.com/dwaas/ffs [INFO] tweaked toml for git repo https://github.com/dwaas/ffs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/dwaas/ffs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f6ee65faaad4f702c10fa8a400290c2adb6037a74acf4767422efab58138bbb [INFO] running `"docker" "start" "-a" "1f6ee65faaad4f702c10fa8a400290c2adb6037a74acf4767422efab58138bbb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling nibble_vec v0.0.4 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling radix_trie v0.1.6 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Compiling structopt v0.3.14 [INFO] [stderr] Compiling ffs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `free_bitmap` [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_bitmap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_SIZE` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const BLOCK_SIZE: u16 = 2 << 11; // For simplicity, like a page. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_FILE` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const BLOCK_FILE: &'static str = "block.disk"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.07s [INFO] running `"docker" "inspect" "1f6ee65faaad4f702c10fa8a400290c2adb6037a74acf4767422efab58138bbb"` [INFO] running `"docker" "rm" "-f" "1f6ee65faaad4f702c10fa8a400290c2adb6037a74acf4767422efab58138bbb"` [INFO] [stdout] 1f6ee65faaad4f702c10fa8a400290c2adb6037a74acf4767422efab58138bbb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d7e351d12614cb07372c0266330f3a6723cdb2993d526178f2b50c0f441d3e5 [INFO] running `"docker" "start" "-a" "0d7e351d12614cb07372c0266330f3a6723cdb2993d526178f2b50c0f441d3e5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ffs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `free_bitmap` [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_bitmap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_SIZE` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const BLOCK_SIZE: u16 = 2 << 11; // For simplicity, like a page. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_FILE` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const BLOCK_FILE: &'static str = "block.disk"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `"docker" "inspect" "0d7e351d12614cb07372c0266330f3a6723cdb2993d526178f2b50c0f441d3e5"` [INFO] running `"docker" "rm" "-f" "0d7e351d12614cb07372c0266330f3a6723cdb2993d526178f2b50c0f441d3e5"` [INFO] [stdout] 0d7e351d12614cb07372c0266330f3a6723cdb2993d526178f2b50c0f441d3e5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bb1b64b20b94cb876285253be276b96ba50184f88d16da907f804d9f12022ccb [INFO] running `"docker" "start" "-a" "bb1b64b20b94cb876285253be276b96ba50184f88d16da907f804d9f12022ccb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `free_bitmap` [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_bitmap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_SIZE` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const BLOCK_SIZE: u16 = 2 << 11; // For simplicity, like a page. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_FILE` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const BLOCK_FILE: &'static str = "block.disk"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffs-166178e9fb649d93 [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 `"docker" "inspect" "bb1b64b20b94cb876285253be276b96ba50184f88d16da907f804d9f12022ccb"` [INFO] running `"docker" "rm" "-f" "bb1b64b20b94cb876285253be276b96ba50184f88d16da907f804d9f12022ccb"` [INFO] [stdout] bb1b64b20b94cb876285253be276b96ba50184f88d16da907f804d9f12022ccb