[INFO] updating cached repository ttakamura/rust-sandbox [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ttakamura/rust-sandbox [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ttakamura/rust-sandbox" "work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ttakamura/rust-sandbox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ttakamura/rust-sandbox"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ttakamura/rust-sandbox'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4447671d7fa72c6470f93828335a43d9c4f4c3e1 [INFO] sha for GitHub repo ttakamura/rust-sandbox: 4447671d7fa72c6470f93828335a43d9c4f4c3e1 [INFO] validating manifest of ttakamura/rust-sandbox on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ttakamura/rust-sandbox on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ttakamura/rust-sandbox [INFO] finished frobbing ttakamura/rust-sandbox [INFO] frobbed toml for ttakamura/rust-sandbox written to work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox/Cargo.toml [INFO] started frobbing ttakamura/rust-sandbox [INFO] finished frobbing ttakamura/rust-sandbox [INFO] frobbed toml for ttakamura/rust-sandbox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ttakamura/rust-sandbox/Cargo.toml [INFO] crate ttakamura/rust-sandbox already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing ttakamura/rust-sandbox against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f26b40f46d637289ef7789a1006997e06862a2ed56f355e97df85b9afb117fa8 [INFO] running `"docker" "start" "-a" "f26b40f46d637289ef7789a1006997e06862a2ed56f355e97df85b9afb117fa8"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling primal-sieve v0.2.9 [INFO] [stderr] Compiling csv v0.14.7 [INFO] [stderr] Compiling docopt v0.6.86 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling primal-check v0.2.3 [INFO] [stderr] Compiling primal v0.2.3 [INFO] [stderr] Compiling rust-sandbox v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/syntax/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let x: bool = true; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/syntax/main.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let y = if x > 5 { 10 } else { 0}; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `diverges` [INFO] [stderr] --> src/syntax/main.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | fn diverges() -> ! { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.27s [INFO] running `"docker" "inspect" "f26b40f46d637289ef7789a1006997e06862a2ed56f355e97df85b9afb117fa8"` [INFO] running `"docker" "rm" "-f" "f26b40f46d637289ef7789a1006997e06862a2ed56f355e97df85b9afb117fa8"` [INFO] [stdout] f26b40f46d637289ef7789a1006997e06862a2ed56f355e97df85b9afb117fa8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] b96a41380eedb7b29ad34be46d760d8c86dd86ade7fa1bc0b46f9e950573fca0 [INFO] running `"docker" "start" "-a" "b96a41380eedb7b29ad34be46d760d8c86dd86ade7fa1bc0b46f9e950573fca0"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling rust-sandbox v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/syntax/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let x: bool = true; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/syntax/main.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let y = if x > 5 { 10 } else { 0}; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `diverges` [INFO] [stderr] --> src/syntax/main.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | fn diverges() -> ! { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.09s [INFO] running `"docker" "inspect" "b96a41380eedb7b29ad34be46d760d8c86dd86ade7fa1bc0b46f9e950573fca0"` [INFO] running `"docker" "rm" "-f" "b96a41380eedb7b29ad34be46d760d8c86dd86ade7fa1bc0b46f9e950573fca0"` [INFO] [stdout] b96a41380eedb7b29ad34be46d760d8c86dd86ade7fa1bc0b46f9e950573fca0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ttakamura/rust-sandbox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 4e2187677bbaf7ce678b2a636d049499eb809b31734cf36ca53b9b4b94aaf6b0 [INFO] running `"docker" "start" "-a" "4e2187677bbaf7ce678b2a636d049499eb809b31734cf36ca53b9b4b94aaf6b0"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [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] Running /opt/crater/target/debug/deps/day2-d1882f38405df7ac [INFO] [stderr] Running /opt/crater/target/debug/deps/day3-36195f2f9dcbac80 [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] Running /opt/crater/target/debug/deps/day4-b91fff73b9dfe3a7 [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] Running /opt/crater/target/debug/deps/guess-ad0375273be526db [INFO] [stderr] Running /opt/crater/target/debug/deps/hello_rust-6d01aee6be77eb9f [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] [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] Running /opt/crater/target/debug/deps/syntax-556081fb35f55551 [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" "4e2187677bbaf7ce678b2a636d049499eb809b31734cf36ca53b9b4b94aaf6b0"` [INFO] running `"docker" "rm" "-f" "4e2187677bbaf7ce678b2a636d049499eb809b31734cf36ca53b9b4b94aaf6b0"` [INFO] [stdout] 4e2187677bbaf7ce678b2a636d049499eb809b31734cf36ca53b9b4b94aaf6b0