[INFO] cloning repository https://github.com/ALSchwalm/tftprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ALSchwalm/tftprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALSchwalm%2Ftftprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALSchwalm%2Ftftprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10465471b8ea4c64f11b445b0cde70e536f68129
[INFO] testing ALSchwalm/tftprs against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALSchwalm%2Ftftprs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ALSchwalm/tftprs on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ALSchwalm/tftprs
[INFO] finished tweaking git repo https://github.com/ALSchwalm/tftprs
[INFO] tweaked toml for git repo https://github.com/ALSchwalm/tftprs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ALSchwalm/tftprs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c4455c3516d44d8f53d44578c25bc095d7874a44d0a2c1046c656083527c704
[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" "3c4455c3516d44d8f53d44578c25bc095d7874a44d0a2c1046c656083527c704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c4455c3516d44d8f53d44578c25bc095d7874a44d0a2c1046c656083527c704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4455c3516d44d8f53d44578c25bc095d7874a44d0a2c1046c656083527c704", kill_on_drop: false }`
[INFO] [stdout] 3c4455c3516d44d8f53d44578c25bc095d7874a44d0a2c1046c656083527c704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c31057dc181990a95c1ae9c3213897a7e8d1840330c4f73703bea38ccfa6e20
[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" "7c31057dc181990a95c1ae9c3213897a7e8d1840330c4f73703bea38ccfa6e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling tftprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib/server/mod.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let socket = try!(UdpSocket::bind(addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/lib/packet/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/lib/packet/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]  --> src/lib/packet/error.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codes::{ErrorCode, Opcode};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:12:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub file_read_started_callback:    Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub file_write_started_callback:   Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub file_read_completed_callback:  Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:15:51
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub file_write_completed_callback: Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.67s
[INFO] running `Command { std: "docker" "inspect" "7c31057dc181990a95c1ae9c3213897a7e8d1840330c4f73703bea38ccfa6e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c31057dc181990a95c1ae9c3213897a7e8d1840330c4f73703bea38ccfa6e20", kill_on_drop: false }`
[INFO] [stdout] 7c31057dc181990a95c1ae9c3213897a7e8d1840330c4f73703bea38ccfa6e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 73f24b5a0881068295f2638ffb1f8b4c7e9dca8f3d47fcd8750b3833dd6ebce5
[INFO] running `Command { std: "docker" "start" "-a" "73f24b5a0881068295f2638ffb1f8b4c7e9dca8f3d47fcd8750b3833dd6ebce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tftprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib/server/mod.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let socket = try!(UdpSocket::bind(addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/lib/packet/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/lib/packet/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]  --> src/lib/packet/error.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codes::{ErrorCode, Opcode};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:12:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub file_read_started_callback:    Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub file_write_started_callback:   Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub file_read_completed_callback:  Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:15:51
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub file_write_completed_callback: Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib/server/mod.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let socket = try!(UdpSocket::bind(addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/lib/packet/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/lib/packet/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]  --> src/lib/packet/error.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codes::{ErrorCode, Opcode};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:12:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub file_read_started_callback:    Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub file_write_started_callback:   Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub file_read_completed_callback:  Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/config.rs:15:51
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub file_write_completed_callback: Option<Arc<Callback<Path, File>>>,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "73f24b5a0881068295f2638ffb1f8b4c7e9dca8f3d47fcd8750b3833dd6ebce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f24b5a0881068295f2638ffb1f8b4c7e9dca8f3d47fcd8750b3833dd6ebce5", kill_on_drop: false }`
[INFO] [stdout] 73f24b5a0881068295f2638ffb1f8b4c7e9dca8f3d47fcd8750b3833dd6ebce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c16b3c420a38bbecfa461d97d5d82a0052c824f9b3828bf46c8683b3f55b030
[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" "9c16b3c420a38bbecfa461d97d5d82a0052c824f9b3828bf46c8683b3f55b030", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/lib/server/mod.rs:35:22
[INFO] [stdout] test packet::data::tftp_data_round_trip ... ok
[INFO] [stderr]    |
[INFO] [stdout] test packet::ack::tftp_ack_round_trip ... ok
[INFO] [stderr] 35 |         let socket = try!(UdpSocket::bind(addr));
[INFO] [stdout] test packet::error::tftp_error_null_terminator ... ok
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/lib/packet/error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::Iter`
[INFO] [stderr]  --> src/lib/packet/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::slice::Iter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Opcode`
[INFO] [stderr]  --> src/lib/packet/error.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | use codes::{ErrorCode, Opcode};
[INFO] [stderr]   |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub file_read_started_callback:    Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[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/config.rs:13:51
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub file_write_started_callback:   Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub file_read_completed_callback:  Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:15:51
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub file_write_completed_callback: Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[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/lib/server/mod.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let socket = try!(UdpSocket::bind(addr));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/lib/packet/error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::Iter`
[INFO] [stderr]  --> src/lib/packet/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::slice::Iter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Opcode`
[INFO] [stderr]  --> src/lib/packet/error.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | use codes::{ErrorCode, Opcode};
[INFO] [stderr]   |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub file_read_started_callback:    Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[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/config.rs:13:51
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub file_write_started_callback:   Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub file_read_completed_callback:  Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib/config.rs:15:51
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub file_write_completed_callback: Option<Arc<Callback<Path, File>>>,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Callback<Path, File>`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tftp-1e8d7ceb1d75b980
[INFO] [stdout] test packet::error::tftp_error_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tftpd-c5a8674fbf831237
[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 tftp
[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" "9c16b3c420a38bbecfa461d97d5d82a0052c824f9b3828bf46c8683b3f55b030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c16b3c420a38bbecfa461d97d5d82a0052c824f9b3828bf46c8683b3f55b030", kill_on_drop: false }`
[INFO] [stdout] 9c16b3c420a38bbecfa461d97d5d82a0052c824f9b3828bf46c8683b3f55b030