[INFO] updating cached repository victor-carvalho/jc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/victor-carvalho/jc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/victor-carvalho/jc" "work/ex/beta-1.38-1/sources/1.37.0/gh/victor-carvalho/jc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/victor-carvalho/jc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/victor-carvalho/jc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/victor-carvalho/jc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/victor-carvalho/jc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c63dd1106d285fc1c78b39faae4bedcfc7d39566
[INFO] sha for GitHub repo victor-carvalho/jc: c63dd1106d285fc1c78b39faae4bedcfc7d39566
[INFO] validating manifest of victor-carvalho/jc 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 victor-carvalho/jc 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 victor-carvalho/jc
[INFO] finished frobbing victor-carvalho/jc
[INFO] frobbed toml for victor-carvalho/jc written to work/ex/beta-1.38-1/sources/1.37.0/gh/victor-carvalho/jc/Cargo.toml
[INFO] started frobbing victor-carvalho/jc
[INFO] finished frobbing victor-carvalho/jc
[INFO] frobbed toml for victor-carvalho/jc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/victor-carvalho/jc/Cargo.toml
[INFO] crate victor-carvalho/jc 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 victor-carvalho/jc 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-4/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/victor-carvalho/jc:/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] 81d824b4053a320bd18ac9b7802cdd66f32ec91052c332da65216bb62d9bca10
[INFO] running `"docker" "start" "-a" "81d824b4053a320bd18ac9b7802cdd66f32ec91052c332da65216bb62d9bca10"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:64
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result<Box<BufRead + 'a>> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[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:46:67
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result<Box<Write + 'a>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:57:64
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:49
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.27s
[INFO] running `"docker" "inspect" "81d824b4053a320bd18ac9b7802cdd66f32ec91052c332da65216bb62d9bca10"`
[INFO] running `"docker" "rm" "-f" "81d824b4053a320bd18ac9b7802cdd66f32ec91052c332da65216bb62d9bca10"`
[INFO] [stdout] 81d824b4053a320bd18ac9b7802cdd66f32ec91052c332da65216bb62d9bca10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/victor-carvalho/jc:/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] a1ab060faf49dd4ed49d9691694505fb44feebc7ad38519674a6fd47540e1e98
[INFO] running `"docker" "start" "-a" "a1ab060faf49dd4ed49d9691694505fb44feebc7ad38519674a6fd47540e1e98"`
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:64
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn input_or<'a>(&self, stdin: &'a io::Stdin) -> Result<Box<BufRead + 'a>> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[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:46:67
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn output_or<'a>(&self, stdout: &'a io::Stdout) -> Result<Box<Write + 'a>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:57:64
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn print_line(element: &Value, args: &JCArgs, out_stream: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:49
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn print_header(args: &JCArgs, out_stream: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "a1ab060faf49dd4ed49d9691694505fb44feebc7ad38519674a6fd47540e1e98"`
[INFO] running `"docker" "rm" "-f" "a1ab060faf49dd4ed49d9691694505fb44feebc7ad38519674a6fd47540e1e98"`
[INFO] [stdout] a1ab060faf49dd4ed49d9691694505fb44feebc7ad38519674a6fd47540e1e98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/victor-carvalho/jc:/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] 5c46c0ae2b91badd48e45c53e9f5bd8ed1845cbf0344ed39c08551b71c5da135
[INFO] running `"docker" "start" "-a" "5c46c0ae2b91badd48e45c53e9f5bd8ed1845cbf0344ed39c08551b71c5da135"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jc-2082215867cf3f24
[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" "5c46c0ae2b91badd48e45c53e9f5bd8ed1845cbf0344ed39c08551b71c5da135"`
[INFO] running `"docker" "rm" "-f" "5c46c0ae2b91badd48e45c53e9f5bd8ed1845cbf0344ed39c08551b71c5da135"`
[INFO] [stdout] 5c46c0ae2b91badd48e45c53e9f5bd8ed1845cbf0344ed39c08551b71c5da135