[INFO] crate csvll 0.1.6 is already in cache
[INFO] testing csvll-0.1.6 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate csvll 0.1.6 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate csvll 0.1.6 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate csvll 0.1.6
[INFO] finished tweaking crates.io crate csvll 0.1.6
[INFO] tweaked toml for crates.io crate csvll 0.1.6 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 755f601e495a32da8a205329ba1eaa11850dc11aeec9059a85df861777b9d5a2
[INFO] running `"docker" "start" "-a" "755f601e495a32da8a205329ba1eaa11850dc11aeec9059a85df861777b9d5a2"`
[INFO] [stderr]    Compiling csvll v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut content = file_help::read(&mut self.file);
[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: function is never used: `create`
[INFO] [stderr]   --> src/file_help.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/file_help.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write(file: &mut File, content: &String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]   --> src/file_help.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     file.write_all(content.as_bytes());
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 0.37s
[INFO] running `"docker" "inspect" "755f601e495a32da8a205329ba1eaa11850dc11aeec9059a85df861777b9d5a2"`
[INFO] running `"docker" "rm" "-f" "755f601e495a32da8a205329ba1eaa11850dc11aeec9059a85df861777b9d5a2"`
[INFO] [stdout] 755f601e495a32da8a205329ba1eaa11850dc11aeec9059a85df861777b9d5a2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c87323881bd4e9fe6eb8ca7fefb01df1295c4680ed450df46fea66b30012306
[INFO] running `"docker" "start" "-a" "6c87323881bd4e9fe6eb8ca7fefb01df1295c4680ed450df46fea66b30012306"`
[INFO] [stderr]    Compiling csvll v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut content = file_help::read(&mut self.file);
[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: function is never used: `create`
[INFO] [stderr]   --> src/file_help.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/file_help.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write(file: &mut File, content: &String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]   --> src/file_help.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     file.write_all(content.as_bytes());
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file_help.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 0.43s
[INFO] running `"docker" "inspect" "6c87323881bd4e9fe6eb8ca7fefb01df1295c4680ed450df46fea66b30012306"`
[INFO] running `"docker" "rm" "-f" "6c87323881bd4e9fe6eb8ca7fefb01df1295c4680ed450df46fea66b30012306"`
[INFO] [stdout] 6c87323881bd4e9fe6eb8ca7fefb01df1295c4680ed450df46fea66b30012306
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 0de5d0ce8f0822a4b3675a4824537c79f1b4847beddbdf5c99dec8f9bb36862e
[INFO] running `"docker" "start" "-a" "0de5d0ce8f0822a4b3675a4824537c79f1b4847beddbdf5c99dec8f9bb36862e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csvll-552035ce819d4210
[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]    Doc-tests csvll
[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" "0de5d0ce8f0822a4b3675a4824537c79f1b4847beddbdf5c99dec8f9bb36862e"`
[INFO] running `"docker" "rm" "-f" "0de5d0ce8f0822a4b3675a4824537c79f1b4847beddbdf5c99dec8f9bb36862e"`
[INFO] [stdout] 0de5d0ce8f0822a4b3675a4824537c79f1b4847beddbdf5c99dec8f9bb36862e