[INFO] updating cached repository malikolivier/print-csv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/malikolivier/print-csv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/malikolivier/print-csv" "work/ex/beta-1.38-1/sources/1.37.0/gh/malikolivier/print-csv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/malikolivier/print-csv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malikolivier/print-csv" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malikolivier/print-csv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malikolivier/print-csv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d65b426374ae62fdf2de54f48aeed3890f7791b
[INFO] sha for GitHub repo malikolivier/print-csv: 1d65b426374ae62fdf2de54f48aeed3890f7791b
[INFO] validating manifest of malikolivier/print-csv 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 malikolivier/print-csv 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 malikolivier/print-csv
[INFO] finished frobbing malikolivier/print-csv
[INFO] frobbed toml for malikolivier/print-csv written to work/ex/beta-1.38-1/sources/1.37.0/gh/malikolivier/print-csv/Cargo.toml
[INFO] started frobbing malikolivier/print-csv
[INFO] finished frobbing malikolivier/print-csv
[INFO] frobbed toml for malikolivier/print-csv written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malikolivier/print-csv/Cargo.toml
[INFO] crate malikolivier/print-csv 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 malikolivier/print-csv 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/malikolivier/print-csv:/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] 456bc47bad95dd848b00395ea73b828ae6d8bd5e9e7a71f54e29b9cd007bb97e
[INFO] running `"docker" "start" "-a" "456bc47bad95dd848b00395ea73b828ae6d8bd5e9e7a71f54e29b9cd007bb97e"`
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.1
[INFO] [stderr]    Compiling print-csv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn run<R: io::Read>(input: &mut R) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:84
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn read_csv<R: io::Read, W: io::Write>(buf: &mut R, out: &mut W) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut stdin = io::stdin();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `"docker" "inspect" "456bc47bad95dd848b00395ea73b828ae6d8bd5e9e7a71f54e29b9cd007bb97e"`
[INFO] running `"docker" "rm" "-f" "456bc47bad95dd848b00395ea73b828ae6d8bd5e9e7a71f54e29b9cd007bb97e"`
[INFO] [stdout] 456bc47bad95dd848b00395ea73b828ae6d8bd5e9e7a71f54e29b9cd007bb97e
[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/malikolivier/print-csv:/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] 5d46b8e5a57ea6f170047973ac0a19ae5ee9a247974254d05894fb55f585119d
[INFO] running `"docker" "start" "-a" "5d46b8e5a57ea6f170047973ac0a19ae5ee9a247974254d05894fb55f585119d"`
[INFO] [stderr]    Compiling print-csv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn run<R: io::Read>(input: &mut R) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:84
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn read_csv<R: io::Read, W: io::Write>(buf: &mut R, out: &mut W) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut stdin = io::stdin();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "5d46b8e5a57ea6f170047973ac0a19ae5ee9a247974254d05894fb55f585119d"`
[INFO] running `"docker" "rm" "-f" "5d46b8e5a57ea6f170047973ac0a19ae5ee9a247974254d05894fb55f585119d"`
[INFO] [stdout] 5d46b8e5a57ea6f170047973ac0a19ae5ee9a247974254d05894fb55f585119d
[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/malikolivier/print-csv:/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] b13f17ed52319dcc2ed7d4fa5c4986517ac34ef7f46a4089b40cd115ce6a8a12
[INFO] running `"docker" "start" "-a" "b13f17ed52319dcc2ed7d4fa5c4986517ac34ef7f46a4089b40cd115ce6a8a12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/print_csv-2de470e0c1e47a30
[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" "b13f17ed52319dcc2ed7d4fa5c4986517ac34ef7f46a4089b40cd115ce6a8a12"`
[INFO] running `"docker" "rm" "-f" "b13f17ed52319dcc2ed7d4fa5c4986517ac34ef7f46a4089b40cd115ce6a8a12"`
[INFO] [stdout] b13f17ed52319dcc2ed7d4fa5c4986517ac34ef7f46a4089b40cd115ce6a8a12