[INFO] cloning repository https://github.com/biluohc/zipcs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biluohc/zipcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiluohc%2Fzipcs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiluohc%2Fzipcs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad81f03090abce76b4eb2e63ceafaf0f78ad7818
[INFO] testing biluohc/zipcs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiluohc%2Fzipcs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/biluohc/zipcs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/biluohc/zipcs
[INFO] finished tweaking git repo https://github.com/biluohc/zipcs
[INFO] tweaked toml for git repo https://github.com/biluohc/zipcs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/biluohc/zipcs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.9.2
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded zip v0.5.4
[INFO] [stderr]   Downloaded rustls-native-certs v0.1.0
[INFO] [stderr]   Downloaded tokio-rustls v0.12.2
[INFO] [stderr]   Downloaded hyper-rustls v0.19.1
[INFO] [stderr]   Downloaded async-compression v0.2.0
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] [stderr]   Downloaded stderr v0.8.0
[INFO] [stderr]   Downloaded nonblock-logger v0.1.5
[INFO] [stderr]   Downloaded app v0.6.5
[INFO] [stderr]   Downloaded bzip2-sys v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1cd5e8c95a92082882ade09980bda03fce64ea57d7d5b5f96061520e49dd1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e1cd5e8c95a92082882ade09980bda03fce64ea57d7d5b5f96061520e49dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1cd5e8c95a92082882ade09980bda03fce64ea57d7d5b5f96061520e49dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1cd5e8c95a92082882ade09980bda03fce64ea57d7d5b5f96061520e49dd1f", kill_on_drop: false }`
[INFO] [stdout] 1e1cd5e8c95a92082882ade09980bda03fce64ea57d7d5b5f96061520e49dd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a38f83f7b7a47eb923bb7c03c3951a6f0a0037d81dcc4e5d8ba57f85ab46f3a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a38f83f7b7a47eb923bb7c03c3951a6f0a0037d81dcc4e5d8ba57f85ab46f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling chardet v0.2.4
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling stderr v0.8.0
[INFO] [stderr]    Compiling async-compression v0.2.0
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.4
[INFO] [stderr]    Compiling app v0.6.5
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling zcs v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nonblock-logger v0.1.5
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio-rustls v0.12.2
[INFO] [stderr]    Compiling rustls-native-certs v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling hyper v0.13.2
[INFO] [stderr]    Compiling hyper-rustls v0.19.1
[INFO] [stderr]    Compiling reqwest v0.10.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/unzip.rs:48:106
[INFO] [stdout]    |
[INFO] [stdout] 48 |             File::open(path).map_err(|e| format!("Arguments({}): \"{:?}\" is invalid({})", name, path, e.description()))?;
[INFO] [stdout]    |                                                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:145:98
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .map_err(|e| format!("Reading OutDir({}) occurs error: {}", outdir_path.display(), e.description()))?;
[INFO] [stdout]     |                                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         e.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:219:31
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:239:40
[INFO] [stdout]     |
[INFO] [stdout] 239 |             ZipCSError::IO(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:240:41
[INFO] [stdout]     |
[INFO] [stdout] 240 |             ZipCSError::ZIP(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:64:94
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     rename(&path, &path_new).map_err(|e| format!("rename fails: {}: {:?}", e.description(), path))?;
[INFO] [stdout]    |                                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:97:61
[INFO] [stdout]    |
[INFO] [stdout] 97 |         .map_err(|e| format!("{:?} read fails: {}", path, e.description()))?
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:99:90
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let entry = entry.map_err(|ref e| format!("{:?}'s entry read fails: {}", path, e.description()))?;
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "3a38f83f7b7a47eb923bb7c03c3951a6f0a0037d81dcc4e5d8ba57f85ab46f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a38f83f7b7a47eb923bb7c03c3951a6f0a0037d81dcc4e5d8ba57f85ab46f3a", kill_on_drop: false }`
[INFO] [stdout] 3a38f83f7b7a47eb923bb7c03c3951a6f0a0037d81dcc4e5d8ba57f85ab46f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 521a7c101234ba9fd6967ec5488b84e424e80bf4260da52fcd38ab422ffdfafb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "521a7c101234ba9fd6967ec5488b84e424e80bf4260da52fcd38ab422ffdfafb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zcs v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/unzip.rs:48:106
[INFO] [stdout]    |
[INFO] [stdout] 48 |             File::open(path).map_err(|e| format!("Arguments({}): \"{:?}\" is invalid({})", name, path, e.description()))?;
[INFO] [stdout]    |                                                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:145:98
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .map_err(|e| format!("Reading OutDir({}) occurs error: {}", outdir_path.display(), e.description()))?;
[INFO] [stdout]     |                                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         e.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:219:31
[INFO] [stdout]     |
[INFO] [stdout] 219 | ...                   e.description()
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:239:40
[INFO] [stdout]     |
[INFO] [stdout] 239 |             ZipCSError::IO(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/coll/unzip.rs:240:41
[INFO] [stdout]     |
[INFO] [stdout] 240 |             ZipCSError::ZIP(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:64:94
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     rename(&path, &path_new).map_err(|e| format!("rename fails: {}: {:?}", e.description(), path))?;
[INFO] [stdout]    |                                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:97:61
[INFO] [stdout]    |
[INFO] [stdout] 97 |         .map_err(|e| format!("{:?} read fails: {}", path, e.description()))?
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coll/path.rs:99:90
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let entry = entry.map_err(|ref e| format!("{:?}'s entry read fails: {}", path, e.description()))?;
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "521a7c101234ba9fd6967ec5488b84e424e80bf4260da52fcd38ab422ffdfafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521a7c101234ba9fd6967ec5488b84e424e80bf4260da52fcd38ab422ffdfafb", kill_on_drop: false }`
[INFO] [stdout] 521a7c101234ba9fd6967ec5488b84e424e80bf4260da52fcd38ab422ffdfafb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c87f48d15c2335f70c21561f3cab138281f314f89bd28465d129ae7a201920f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c87f48d15c2335f70c21561f3cab138281f314f89bd28465d129ae7a201920f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/coll/unzip.rs:48:106
[INFO] [stderr]    |
[INFO] [stderr] 48 |             File::open(path).map_err(|e| format!("Arguments({}): \"{:?}\" is invalid({})", name, path, e.description()))?;
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/coll/unzip.rs:145:98
[INFO] [stderr]     |
[INFO] [stderr] 145 |             .map_err(|e| format!("Reading OutDir({}) occurs error: {}", outdir_path.display(), e.description()))?;
[INFO] [stderr]     |                                                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/coll/unzip.rs:200:27
[INFO] [stderr]     |
[INFO] [stderr] 200 |                         e.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/coll/unzip.rs:219:31
[INFO] [stderr]     |
[INFO] [stderr] 219 | ...                   e.description()
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/coll/unzip.rs:239:40
[INFO] [stderr]     |
[INFO] [stderr] 239 |             ZipCSError::IO(ref e) => e.description(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/coll/unzip.rs:240:41
[INFO] [stderr]     |
[INFO] [stderr] 240 |             ZipCSError::ZIP(ref e) => e.description(),
[INFO] [stderr]     |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/coll/path.rs:64:94
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     rename(&path, &path_new).map_err(|e| format!("rename fails: {}: {:?}", e.description(), path))?;
[INFO] [stderr]    |                                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/coll/path.rs:97:61
[INFO] [stderr]    |
[INFO] [stderr] 97 |         .map_err(|e| format!("{:?} read fails: {}", path, e.description()))?
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/coll/path.rs:99:90
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let entry = entry.map_err(|ref e| format!("{:?}'s entry read fails: {}", path, e.description()))?;
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zcs-7c1fd94cc954d104
[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 `Command { std: "docker" "inspect" "4c87f48d15c2335f70c21561f3cab138281f314f89bd28465d129ae7a201920f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c87f48d15c2335f70c21561f3cab138281f314f89bd28465d129ae7a201920f", kill_on_drop: false }`
[INFO] [stdout] 4c87f48d15c2335f70c21561f3cab138281f314f89bd28465d129ae7a201920f
