[INFO] crate arg_input 2.0.1 is already in cache
[INFO] extracting crate arg_input 2.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/arg_input/2.0.1
[INFO] extracting crate arg_input 2.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/arg_input/2.0.1
[INFO] validating manifest of arg_input-2.0.1 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 arg_input-2.0.1 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 arg_input-2.0.1
[INFO] finished frobbing arg_input-2.0.1
[INFO] frobbed toml for arg_input-2.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/arg_input/2.0.1/Cargo.toml
[INFO] started frobbing arg_input-2.0.1
[INFO] finished frobbing arg_input-2.0.1
[INFO] frobbed toml for arg_input-2.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/arg_input/2.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 arg_input-2.0.1 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/reg/arg_input/2.0.1:/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] 517ab8275ce605256657f1610bfbcf2662cff2b041dcd1c7cf86111ebd4cf34e
[INFO] running `"docker" "start" "-a" "517ab8275ce605256657f1610bfbcf2662cff2b041dcd1c7cf86111ebd4cf34e"`
[INFO] [stderr]    Compiling arg_input v2.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stderr]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:177:48
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:28
[INFO] [stderr]     |
[INFO] [stderr] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:40
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stderr]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:46
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "517ab8275ce605256657f1610bfbcf2662cff2b041dcd1c7cf86111ebd4cf34e"`
[INFO] running `"docker" "rm" "-f" "517ab8275ce605256657f1610bfbcf2662cff2b041dcd1c7cf86111ebd4cf34e"`
[INFO] [stdout] 517ab8275ce605256657f1610bfbcf2662cff2b041dcd1c7cf86111ebd4cf34e
[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/reg/arg_input/2.0.1:/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] 4bf4e2f3715ac0200384012f2c7343087a59b7ccdd09e8099bb29d616c06faa8
[INFO] running `"docker" "start" "-a" "4bf4e2f3715ac0200384012f2c7343087a59b7ccdd09e8099bb29d616c06faa8"`
[INFO] [stderr]    Compiling arg_input v2.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |   fn cause(&self) -> Option<&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/lib.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub type Lines = io::Lines<BufReader<Box<Read>>>;
[INFO] [stderr]     |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn argf() -> Result<Box<Read>, InputError> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:177:48
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn input<I, J, S>(inputs: I) -> Result<Box<Read>, InputError> where
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:28
[INFO] [stderr]     |
[INFO] [stderr] 194 |   I: IntoIterator<Item=Box<Read>>
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:40
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn chain_all_reads<I>(reads: I) -> Box<Read> where
[INFO] [stderr]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:46
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn from_arg<'a>(arg: &'a Path) -> Result<Box<Read>, FailReadFileError> {
[INFO] [stderr]     |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "4bf4e2f3715ac0200384012f2c7343087a59b7ccdd09e8099bb29d616c06faa8"`
[INFO] running `"docker" "rm" "-f" "4bf4e2f3715ac0200384012f2c7343087a59b7ccdd09e8099bb29d616c06faa8"`
[INFO] [stdout] 4bf4e2f3715ac0200384012f2c7343087a59b7ccdd09e8099bb29d616c06faa8
[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/reg/arg_input/2.0.1:/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] 4294c0e418305891c2404d47cc6cedbaca0b20c5830242546a1bbab2c9fb14cd
[INFO] running `"docker" "start" "-a" "4294c0e418305891c2404d47cc6cedbaca0b20c5830242546a1bbab2c9fb14cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arg_input-8bb71ec64b6ff488
[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]      Running /opt/crater/target/debug/deps/input_lines_test-937ced0a026e4979
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_input ... ok
[INFO] [stdout] test test_input_lines_nonexistent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/input_test-ece97c961e6b8cb3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_input ... ok
[INFO] [stdout] test test_input_nonexistent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/inputs-7905bff82649b2e3
[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 arg_input
[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" "4294c0e418305891c2404d47cc6cedbaca0b20c5830242546a1bbab2c9fb14cd"`
[INFO] running `"docker" "rm" "-f" "4294c0e418305891c2404d47cc6cedbaca0b20c5830242546a1bbab2c9fb14cd"`
[INFO] [stdout] 4294c0e418305891c2404d47cc6cedbaca0b20c5830242546a1bbab2c9fb14cd