[INFO] fetching crate appc 0.0.1-dev.4...
[INFO] testing appc-0.0.1-dev.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate appc 0.0.1-dev.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate appc 0.0.1-dev.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appc 0.0.1-dev.4
[INFO] finished tweaking crates.io crate appc 0.0.1-dev.4
[INFO] tweaked toml for crates.io crate appc 0.0.1-dev.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e14f260b71337069545be78b65180f2beecd6fd92f1452cc7be6c134e34bbce6
[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" "e14f260b71337069545be78b65180f2beecd6fd92f1452cc7be6c134e34bbce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e14f260b71337069545be78b65180f2beecd6fd92f1452cc7be6c134e34bbce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14f260b71337069545be78b65180f2beecd6fd92f1452cc7be6c134e34bbce6", kill_on_drop: false }`
[INFO] [stdout] e14f260b71337069545be78b65180f2beecd6fd92f1452cc7be6c134e34bbce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ab06432ea3fe64f661993928d8d2a7571638200a48cbe5da1c8673cbd356ba0
[INFO] running `Command { std: "docker" "start" "-a" "2ab06432ea3fe64f661993928d8d2a7571638200a48cbe5da1c8673cbd356ba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling digest v0.5.2
[INFO] [stderr]    Compiling digest-buffer v0.3.1
[INFO] [stderr]    Compiling sha2 v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]    Compiling parsswd v0.1.0
[INFO] [stderr]    Compiling appc v0.0.1-dev.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let filestat = try!(stat::lstat(&abs_path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let filestat = try!(stat::lstat(&abs_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/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "2ab06432ea3fe64f661993928d8d2a7571638200a48cbe5da1c8673cbd356ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab06432ea3fe64f661993928d8d2a7571638200a48cbe5da1c8673cbd356ba0", kill_on_drop: false }`
[INFO] [stdout] 2ab06432ea3fe64f661993928d8d2a7571638200a48cbe5da1c8673cbd356ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b1f8726325e25391b692eae02365fa956d35689a8158fd53c16dd7c4fa47174
[INFO] running `Command { std: "docker" "start" "-a" "8b1f8726325e25391b692eae02365fa956d35689a8158fd53c16dd7c4fa47174", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let filestat = try!(stat::lstat(&abs_path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let filestat = try!(stat::lstat(&abs_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/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling appc v0.0.1-dev.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let filestat = try!(stat::lstat(&abs_path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let l = try!(line);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/usergroup.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let filestat = try!(stat::lstat(&abs_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/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Json(serde_json::Error);
[INFO] [stdout] 8  | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b1f8726325e25391b692eae02365fa956d35689a8158fd53c16dd7c4fa47174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1f8726325e25391b692eae02365fa956d35689a8158fd53c16dd7c4fa47174", kill_on_drop: false }`
[INFO] [stdout] 8b1f8726325e25391b692eae02365fa956d35689a8158fd53c16dd7c4fa47174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ff10dec34c9edea7350bbeaa68a53b8773b3fbf9acfbdcfbb97764f5788188e
[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" "3ff10dec34c9edea7350bbeaa68a53b8773b3fbf9acfbdcfbb97764f5788188e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let l = try!(line);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let filestat = try!(stat::lstat(&abs_path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let l = try!(line);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let filestat = try!(stat::lstat(&abs_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/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |     foreign_links {
[INFO] [stderr] 7  | |         Json(serde_json::Error);
[INFO] [stderr] 8  | |         Io(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |     foreign_links {
[INFO] [stderr] 7  | |         Json(serde_json::Error);
[INFO] [stderr] 8  | |         Io(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let l = try!(line);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:31:24
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let filestat = try!(stat::lstat(&abs_path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let l = try!(line);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let rel_path = try!(tf.strip_prefix("/"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/usergroup.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let filestat = try!(stat::lstat(&abs_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/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |     foreign_links {
[INFO] [stderr] 7  | |         Json(serde_json::Error);
[INFO] [stderr] 8  | |         Io(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |     foreign_links {
[INFO] [stderr] 7  | |         Json(serde_json::Error);
[INFO] [stderr] 8  | |         Io(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/appc-93487a3cec650554
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/image-94cc4aaecb25c4bf
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_image_manifest_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pod-2be623d6e36de717
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests appc
[INFO] [stdout] test test_pod_manifest_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "3ff10dec34c9edea7350bbeaa68a53b8773b3fbf9acfbdcfbb97764f5788188e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff10dec34c9edea7350bbeaa68a53b8773b3fbf9acfbdcfbb97764f5788188e", kill_on_drop: false }`
[INFO] [stdout] 3ff10dec34c9edea7350bbeaa68a53b8773b3fbf9acfbdcfbb97764f5788188e