[INFO] crate argf 0.2.0 is already in cache
[INFO] extracting crate argf 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/argf/0.2.0
[INFO] extracting crate argf 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/argf/0.2.0
[INFO] validating manifest of argf-0.2.0 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 argf-0.2.0 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 argf-0.2.0
[INFO] finished frobbing argf-0.2.0
[INFO] frobbed toml for argf-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/argf/0.2.0/Cargo.toml
[INFO] started frobbing argf-0.2.0
[INFO] finished frobbing argf-0.2.0
[INFO] frobbed toml for argf-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/argf/0.2.0/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 argf-0.2.0 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-1/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/argf/0.2.0:/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] 11cac66360dff6db05c46908b7988b8187de80c6acfac0cf48fecb9e408f44bd
[INFO] running `"docker" "start" "-a" "11cac66360dff6db05c46908b7988b8187de80c6acfac0cf48fecb9e408f44bd"`
[INFO] [stderr]    Compiling argf v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_arguments() -> Box<io::Read> {
[INFO] [stderr]   |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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:10:42
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn from_slice<I>(input: &[I]) -> Box<io::Read>
[INFO] [stderr]    |                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut chain: Box<Read> = Box::new(std::io::empty().chain(std::io::empty()));
[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:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn to_reader<'a>(path: &'a str) -> Box<io::Read> {
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "11cac66360dff6db05c46908b7988b8187de80c6acfac0cf48fecb9e408f44bd"`
[INFO] running `"docker" "rm" "-f" "11cac66360dff6db05c46908b7988b8187de80c6acfac0cf48fecb9e408f44bd"`
[INFO] [stdout] 11cac66360dff6db05c46908b7988b8187de80c6acfac0cf48fecb9e408f44bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/argf/0.2.0:/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] d49b3fda139c28704d42aab2813eeecfe3a9329dbcb418c573c115c975e2ecae
[INFO] running `"docker" "start" "-a" "d49b3fda139c28704d42aab2813eeecfe3a9329dbcb418c573c115c975e2ecae"`
[INFO] [stderr]    Compiling argf v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_arguments() -> Box<io::Read> {
[INFO] [stderr]   |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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:10:42
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn from_slice<I>(input: &[I]) -> Box<io::Read>
[INFO] [stderr]    |                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut chain: Box<Read> = Box::new(std::io::empty().chain(std::io::empty()));
[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:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn to_reader<'a>(path: &'a str) -> Box<io::Read> {
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "d49b3fda139c28704d42aab2813eeecfe3a9329dbcb418c573c115c975e2ecae"`
[INFO] running `"docker" "rm" "-f" "d49b3fda139c28704d42aab2813eeecfe3a9329dbcb418c573c115c975e2ecae"`
[INFO] [stdout] d49b3fda139c28704d42aab2813eeecfe3a9329dbcb418c573c115c975e2ecae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/argf/0.2.0:/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] af3c43e8332a8ebfc1a5d1aa99895c0bb85587449a824b58f358a2b91a6f0b17
[INFO] running `"docker" "start" "-a" "af3c43e8332a8ebfc1a5d1aa99895c0bb85587449a824b58f358a2b91a6f0b17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/argf-9cd3b1bac6b2c9f1
[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 argf
[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" "af3c43e8332a8ebfc1a5d1aa99895c0bb85587449a824b58f358a2b91a6f0b17"`
[INFO] running `"docker" "rm" "-f" "af3c43e8332a8ebfc1a5d1aa99895c0bb85587449a824b58f358a2b91a6f0b17"`
[INFO] [stdout] af3c43e8332a8ebfc1a5d1aa99895c0bb85587449a824b58f358a2b91a6f0b17