[INFO] updating cached repository CHAM0/client-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CHAM0/client-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/client-server" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/client-server" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CHAM0/client-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CHAM0/client-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1fa62b1d67e393a25f05372f8b0ee11d5c4dd4a0
[INFO] sha for GitHub repo CHAM0/client-server: 1fa62b1d67e393a25f05372f8b0ee11d5c4dd4a0
[INFO] validating manifest of CHAM0/client-server on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CHAM0/client-server on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CHAM0/client-server
[INFO] finished frobbing CHAM0/client-server
[INFO] frobbed toml for CHAM0/client-server written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server/Cargo.toml
[INFO] started frobbing CHAM0/client-server
[INFO] finished frobbing CHAM0/client-server
[INFO] frobbed toml for CHAM0/client-server written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CHAM0/client-server/Cargo.toml
[INFO] crate CHAM0/client-server has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing CHAM0/client-server against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] a3f94fa15ffeaea9100f52d618ef5441ec3703fd33033a38cce0202289e824a5
[INFO] running `"docker" "start" "-a" "a3f94fa15ffeaea9100f52d618ef5441ec3703fd33033a38cce0202289e824a5"`
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.74
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/client/main.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Value, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j2`
[INFO] [stderr]   --> src/server/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let j2 = serde_json::to_string(&tata);
[INFO] [stderr]    |                 ^^ help: consider prefixing with an underscore: `_j2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `"docker" "inspect" "a3f94fa15ffeaea9100f52d618ef5441ec3703fd33033a38cce0202289e824a5"`
[INFO] running `"docker" "rm" "-f" "a3f94fa15ffeaea9100f52d618ef5441ec3703fd33033a38cce0202289e824a5"`
[INFO] [stdout] a3f94fa15ffeaea9100f52d618ef5441ec3703fd33033a38cce0202289e824a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 97fdf407182c04e44a3a33eef72ae4367fe2d9a1a8c1c2306c6b9414c325b764
[INFO] running `"docker" "start" "-a" "97fdf407182c04e44a3a33eef72ae4367fe2d9a1a8c1c2306c6b9414c325b764"`
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/client/main.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Value, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j2`
[INFO] [stderr]   --> src/server/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let j2 = serde_json::to_string(&tata);
[INFO] [stderr]    |                 ^^ help: consider prefixing with an underscore: `_j2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "97fdf407182c04e44a3a33eef72ae4367fe2d9a1a8c1c2306c6b9414c325b764"`
[INFO] running `"docker" "rm" "-f" "97fdf407182c04e44a3a33eef72ae4367fe2d9a1a8c1c2306c6b9414c325b764"`
[INFO] [stdout] 97fdf407182c04e44a3a33eef72ae4367fe2d9a1a8c1c2306c6b9414c325b764
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CHAM0/client-server:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 0083622c74caef9337d05d8f649fe74dd5c6ae60f669062654d1a2d5b28c15fb
[INFO] running `"docker" "start" "-a" "0083622c74caef9337d05d8f649fe74dd5c6ae60f669062654d1a2d5b28c15fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client-e6e81b51c3db4189
[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/server-ec2fbfc84131d014
[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" "0083622c74caef9337d05d8f649fe74dd5c6ae60f669062654d1a2d5b28c15fb"`
[INFO] running `"docker" "rm" "-f" "0083622c74caef9337d05d8f649fe74dd5c6ae60f669062654d1a2d5b28c15fb"`
[INFO] [stdout] 0083622c74caef9337d05d8f649fe74dd5c6ae60f669062654d1a2d5b28c15fb