[INFO] updating cached repository thomasrebele/searchmail [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/thomasrebele/searchmail [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/thomasrebele/searchmail" "work/ex/beta-1.38-1/sources/1.37.0/gh/thomasrebele/searchmail"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thomasrebele/searchmail'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/thomasrebele/searchmail" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2513dae35af70ebc1969759dbddf44f7b8a5c686 [INFO] sha for GitHub repo thomasrebele/searchmail: 2513dae35af70ebc1969759dbddf44f7b8a5c686 [INFO] validating manifest of thomasrebele/searchmail 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 thomasrebele/searchmail 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 thomasrebele/searchmail [INFO] finished frobbing thomasrebele/searchmail [INFO] frobbed toml for thomasrebele/searchmail written to work/ex/beta-1.38-1/sources/1.37.0/gh/thomasrebele/searchmail/Cargo.toml [INFO] started frobbing thomasrebele/searchmail [INFO] finished frobbing thomasrebele/searchmail [INFO] frobbed toml for thomasrebele/searchmail written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail/Cargo.toml [INFO] crate thomasrebele/searchmail 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing thomasrebele/searchmail against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 5a1b5e8b833a046d0eec684050756f50a08f4d1c5c6d4999cfb840bcc3359fee [INFO] running `"docker" "start" "-a" "5a1b5e8b833a046d0eec684050756f50a08f4d1c5c6d4999cfb840bcc3359fee"` [INFO] [stderr] Compiling quoted_printable v0.4.0 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Compiling mailparse v0.6.4 [INFO] [stderr] Compiling structopt v0.2.14 [INFO] [stderr] Compiling searchmail v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:45:27 [INFO] [stderr] | [INFO] [stderr] 45 | fn check(mut reader : Box, conf : &Conf) { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | if let Some(x) = conf.pattern.find(&body) { [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:17 [INFO] [stderr] | [INFO] [stderr] 92 | let mut file = File::open(i).expect("file not found"); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | reader.read_to_string(&mut content); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.65s [INFO] running `"docker" "inspect" "5a1b5e8b833a046d0eec684050756f50a08f4d1c5c6d4999cfb840bcc3359fee"` [INFO] running `"docker" "rm" "-f" "5a1b5e8b833a046d0eec684050756f50a08f4d1c5c6d4999cfb840bcc3359fee"` [INFO] [stdout] 5a1b5e8b833a046d0eec684050756f50a08f4d1c5c6d4999cfb840bcc3359fee [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] e89e3dce7323b91d425644aad30838513257086abe1a739a0cb754929e13e5ca [INFO] running `"docker" "start" "-a" "e89e3dce7323b91d425644aad30838513257086abe1a739a0cb754929e13e5ca"` [INFO] [stderr] Compiling searchmail v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:45:27 [INFO] [stderr] | [INFO] [stderr] 45 | fn check(mut reader : Box, conf : &Conf) { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | if let Some(x) = conf.pattern.find(&body) { [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:92:17 [INFO] [stderr] | [INFO] [stderr] 92 | let mut file = File::open(i).expect("file not found"); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | reader.read_to_string(&mut content); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "e89e3dce7323b91d425644aad30838513257086abe1a739a0cb754929e13e5ca"` [INFO] running `"docker" "rm" "-f" "e89e3dce7323b91d425644aad30838513257086abe1a739a0cb754929e13e5ca"` [INFO] [stdout] e89e3dce7323b91d425644aad30838513257086abe1a739a0cb754929e13e5ca [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomasrebele/searchmail:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 6597f6a55ee44678a9396d900a7471ccb858259141e551679b298c4e7cd68af8 [INFO] running `"docker" "start" "-a" "6597f6a55ee44678a9396d900a7471ccb858259141e551679b298c4e7cd68af8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/searchmail-89ff9d15470b806d [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" "6597f6a55ee44678a9396d900a7471ccb858259141e551679b298c4e7cd68af8"` [INFO] running `"docker" "rm" "-f" "6597f6a55ee44678a9396d900a7471ccb858259141e551679b298c4e7cd68af8"` [INFO] [stdout] 6597f6a55ee44678a9396d900a7471ccb858259141e551679b298c4e7cd68af8