[INFO] fetching crate daemonize 0.4.1...
[INFO] building daemonize-0.4.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate daemonize 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate daemonize 0.4.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daemonize 0.4.1
[INFO] finished tweaking crates.io crate daemonize 0.4.1
[INFO] tweaked toml for crates.io crate daemonize 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51dd78569102f5f47ed8678af85ada6925ca4a5a53d9717aec00a7b9487bdbe5
[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" "51dd78569102f5f47ed8678af85ada6925ca4a5a53d9717aec00a7b9487bdbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51dd78569102f5f47ed8678af85ada6925ca4a5a53d9717aec00a7b9487bdbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dd78569102f5f47ed8678af85ada6925ca4a5a53d9717aec00a7b9487bdbe5", kill_on_drop: false }`
[INFO] [stdout] 51dd78569102f5f47ed8678af85ada6925ca4a5a53d9717aec00a7b9487bdbe5
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f909a600fba5d4e049354321f75cd9b978896af5054e869a4b78e24f26e2cbe1
[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" "f909a600fba5d4e049354321f75cd9b978896af5054e869a4b78e24f26e2cbe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling daemonize v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |             let pid_file_fd = maptry!(self.pid_file.clone(), create_pid_file);
[INFO] [stdout]     |                               ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             let uid = maptry!(self.user, get_user);
[INFO] [stdout]     |                       ---------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |             let gid = maptry!(self.group, get_group);
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |                 maptry!(args, |(pid, uid, gid)| chown_pid_file(pid, uid, gid));
[INFO] [stdout]     |                 --------------------------------------------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 416 |             maptry!(self.root, change_root);
[INFO] [stdout]     |             -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |             maptry!(gid, set_group);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |             maptry!(uid, set_user);
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |             maptry!(pid_file_fd, write_pid_file);
[INFO] [stdout]     |             ------------------------------------- in this macro invocation
[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 1.97s
[INFO] running `Command { std: "docker" "inspect" "f909a600fba5d4e049354321f75cd9b978896af5054e869a4b78e24f26e2cbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f909a600fba5d4e049354321f75cd9b978896af5054e869a4b78e24f26e2cbe1", kill_on_drop: false }`
[INFO] [stdout] f909a600fba5d4e049354321f75cd9b978896af5054e869a4b78e24f26e2cbe1
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e93c61d784169c5aa5118ebe8f244b8d5a5320e3cfc96877a0ecd646931c3b7
[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" "4e93c61d784169c5aa5118ebe8f244b8d5a5320e3cfc96877a0ecd646931c3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |             let pid_file_fd = maptry!(self.pid_file.clone(), create_pid_file);
[INFO] [stdout]     |                               ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             let uid = maptry!(self.user, get_user);
[INFO] [stdout]     |                       ---------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |             let gid = maptry!(self.group, get_group);
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |                 maptry!(args, |(pid, uid, gid)| chown_pid_file(pid, uid, gid));
[INFO] [stdout]     |                 --------------------------------------------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 416 |             maptry!(self.root, change_root);
[INFO] [stdout]     |             -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |             maptry!(gid, set_group);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |             maptry!(uid, set_user);
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |             maptry!(pid_file_fd, write_pid_file);
[INFO] [stdout]     |             ------------------------------------- in this macro invocation
[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 tempdir v0.3.7
[INFO] [stderr]    Compiling daemonize v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |             let pid_file_fd = maptry!(self.pid_file.clone(), create_pid_file);
[INFO] [stdout]     |                               ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             let uid = maptry!(self.user, get_user);
[INFO] [stdout]     |                       ---------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |             let gid = maptry!(self.group, get_group);
[INFO] [stdout]     |                       ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |                 maptry!(args, |(pid, uid, gid)| chown_pid_file(pid, uid, gid));
[INFO] [stdout]     |                 --------------------------------------------------------------- in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 416 |             maptry!(self.root, change_root);
[INFO] [stdout]     |             -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |             maptry!(gid, set_group);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |             maptry!(uid, set_user);
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:381:37
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Some(x) => Some(try!($f(x))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |             maptry!(pid_file_fd, write_pid_file);
[INFO] [stdout]     |             ------------------------------------- in this macro invocation
[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 test [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "4e93c61d784169c5aa5118ebe8f244b8d5a5320e3cfc96877a0ecd646931c3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e93c61d784169c5aa5118ebe8f244b8d5a5320e3cfc96877a0ecd646931c3b7", kill_on_drop: false }`
[INFO] [stdout] 4e93c61d784169c5aa5118ebe8f244b8d5a5320e3cfc96877a0ecd646931c3b7
