[INFO] updating cached repository albertkun/csvcounter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/albertkun/csvcounter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/albertkun/csvcounter" "work/ex/beta-1.37-6/sources/1.36.0/gh/albertkun/csvcounter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/albertkun/csvcounter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/albertkun/csvcounter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 914ffdf1e8aadec61847f6686f335a415f77e5d4
[INFO] sha for GitHub repo albertkun/csvcounter: 914ffdf1e8aadec61847f6686f335a415f77e5d4
[INFO] validating manifest of albertkun/csvcounter on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of albertkun/csvcounter on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing albertkun/csvcounter
[INFO] finished frobbing albertkun/csvcounter
[INFO] frobbed toml for albertkun/csvcounter written to work/ex/beta-1.37-6/sources/1.36.0/gh/albertkun/csvcounter/Cargo.toml
[INFO] started frobbing albertkun/csvcounter
[INFO] finished frobbing albertkun/csvcounter
[INFO] frobbed toml for albertkun/csvcounter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter/Cargo.toml
[INFO] crate albertkun/csvcounter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing albertkun/csvcounter against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d1c14ddd37c2a4372022929387f4b40ffb2cd50157c555262b1302aa68e31ae6
[INFO] running `"docker" "start" "-a" "d1c14ddd37c2a4372022929387f4b40ffb2cd50157c555262b1302aa68e31ae6"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling csv_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `thread` is imported redundantly
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::thread;
[INFO] [stderr]    |     ----------- the item `thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 15 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "d1c14ddd37c2a4372022929387f4b40ffb2cd50157c555262b1302aa68e31ae6"`
[INFO] running `"docker" "rm" "-f" "d1c14ddd37c2a4372022929387f4b40ffb2cd50157c555262b1302aa68e31ae6"`
[INFO] [stdout] d1c14ddd37c2a4372022929387f4b40ffb2cd50157c555262b1302aa68e31ae6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 10541e1a7f1a401c79f1c12ebc4c6cec1d5cb7947132b8fab9164a7d4140bdd1
[INFO] running `"docker" "start" "-a" "10541e1a7f1a401c79f1c12ebc4c6cec1d5cb7947132b8fab9164a7d4140bdd1"`
[INFO] [stderr]    Compiling csv_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `thread` is imported redundantly
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::thread;
[INFO] [stderr]    |     ----------- the item `thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 15 |     use std::thread;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "10541e1a7f1a401c79f1c12ebc4c6cec1d5cb7947132b8fab9164a7d4140bdd1"`
[INFO] running `"docker" "rm" "-f" "10541e1a7f1a401c79f1c12ebc4c6cec1d5cb7947132b8fab9164a7d4140bdd1"`
[INFO] [stdout] 10541e1a7f1a401c79f1c12ebc4c6cec1d5cb7947132b8fab9164a7d4140bdd1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/albertkun/csvcounter:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 92e9a5538a68618054cbd7e291668c7d22d6ca1c1fe6f7d70c5a3a88f06f8889
[INFO] running `"docker" "start" "-a" "92e9a5538a68618054cbd7e291668c7d22d6ca1c1fe6f7d70c5a3a88f06f8889"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/csv_reader-8c673e6e8f2a6312
[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" "92e9a5538a68618054cbd7e291668c7d22d6ca1c1fe6f7d70c5a3a88f06f8889"`
[INFO] running `"docker" "rm" "-f" "92e9a5538a68618054cbd7e291668c7d22d6ca1c1fe6f7d70c5a3a88f06f8889"`
[INFO] [stdout] 92e9a5538a68618054cbd7e291668c7d22d6ca1c1fe6f7d70c5a3a88f06f8889