[INFO] updating cached repository richardjharris/tsvfirst
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/richardjharris/tsvfirst
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/richardjharris/tsvfirst" "work/ex/beta-1.38-1/sources/1.37.0/gh/richardjharris/tsvfirst"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/richardjharris/tsvfirst'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/richardjharris/tsvfirst" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardjharris/tsvfirst"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardjharris/tsvfirst'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 080a46e4d4b36c5e9a20da73ab41a54160c8a27d
[INFO] sha for GitHub repo richardjharris/tsvfirst: 080a46e4d4b36c5e9a20da73ab41a54160c8a27d
[INFO] validating manifest of richardjharris/tsvfirst 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 richardjharris/tsvfirst 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 richardjharris/tsvfirst
[INFO] finished frobbing richardjharris/tsvfirst
[INFO] frobbed toml for richardjharris/tsvfirst written to work/ex/beta-1.38-1/sources/1.37.0/gh/richardjharris/tsvfirst/Cargo.toml
[INFO] started frobbing richardjharris/tsvfirst
[INFO] finished frobbing richardjharris/tsvfirst
[INFO] frobbed toml for richardjharris/tsvfirst written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardjharris/tsvfirst/Cargo.toml
[INFO] crate richardjharris/tsvfirst 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 richardjharris/tsvfirst 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/richardjharris/tsvfirst:/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] b429c1792380c401c4203385426be5cb0a1cb19675dc38ced752c0a58823e3e2
[INFO] running `"docker" "start" "-a" "b429c1792380c401c4203385426be5cb0a1cb19675dc38ced752c0a58823e3e2"`
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling tsvfirst v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get_reader(&self) -> io::Result<Box<io::BufRead>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:53:37
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut reader : Option<Box<BufRead>> = None;
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:56:34
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let sub_reader : Box<BufRead> = match input.as_ref() {
[INFO] [stderr]    |                                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tsvfirst.rs:9:66
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run<W>(config: &Config, output: &mut W) -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 | type Result<T> = std::result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `"docker" "inspect" "b429c1792380c401c4203385426be5cb0a1cb19675dc38ced752c0a58823e3e2"`
[INFO] running `"docker" "rm" "-f" "b429c1792380c401c4203385426be5cb0a1cb19675dc38ced752c0a58823e3e2"`
[INFO] [stdout] b429c1792380c401c4203385426be5cb0a1cb19675dc38ced752c0a58823e3e2
[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/richardjharris/tsvfirst:/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] 2713012c120625eac7755a1f36c82ef69d7cfab905a11cb409df62afd7269199
[INFO] running `"docker" "start" "-a" "2713012c120625eac7755a1f36c82ef69d7cfab905a11cb409df62afd7269199"`
[INFO] [stderr]    Compiling tsvfirst v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get_reader(&self) -> io::Result<Box<io::BufRead>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:53:37
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut reader : Option<Box<BufRead>> = None;
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:56:34
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let sub_reader : Box<BufRead> = match input.as_ref() {
[INFO] [stderr]    |                                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tsvfirst.rs:9:66
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run<W>(config: &Config, output: &mut W) -> Result<(), Box<error::Error>>
[INFO] [stderr]   |                                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 | type Result<T> = std::result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "2713012c120625eac7755a1f36c82ef69d7cfab905a11cb409df62afd7269199"`
[INFO] running `"docker" "rm" "-f" "2713012c120625eac7755a1f36c82ef69d7cfab905a11cb409df62afd7269199"`
[INFO] [stdout] 2713012c120625eac7755a1f36c82ef69d7cfab905a11cb409df62afd7269199
[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/richardjharris/tsvfirst:/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] e6ebaa5e5de5708819b5c49b5e5fcd2778d1ab53cf4fa5828b878ee7ea8501a0
[INFO] running `"docker" "start" "-a" "e6ebaa5e5de5708819b5c49b5e5fcd2778d1ab53cf4fa5828b878ee7ea8501a0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tsvfirst-30685308e2856bcf
[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" "e6ebaa5e5de5708819b5c49b5e5fcd2778d1ab53cf4fa5828b878ee7ea8501a0"`
[INFO] running `"docker" "rm" "-f" "e6ebaa5e5de5708819b5c49b5e5fcd2778d1ab53cf4fa5828b878ee7ea8501a0"`
[INFO] [stdout] e6ebaa5e5de5708819b5c49b5e5fcd2778d1ab53cf4fa5828b878ee7ea8501a0