[INFO] fetching crate unix-fd 0.0.1...
[INFO] checking unix-fd-0.0.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate unix-fd 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unix-fd 0.0.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unix-fd 0.0.1
[INFO] finished tweaking crates.io crate unix-fd 0.0.1
[INFO] tweaked toml for crates.io crate unix-fd 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d73d478a113dccd9a55dced6109295bd40f93182a0e25afd454cc3a091f7c13a
[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" "d73d478a113dccd9a55dced6109295bd40f93182a0e25afd454cc3a091f7c13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73d478a113dccd9a55dced6109295bd40f93182a0e25afd454cc3a091f7c13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73d478a113dccd9a55dced6109295bd40f93182a0e25afd454cc3a091f7c13a", kill_on_drop: false }`
[INFO] [stdout] d73d478a113dccd9a55dced6109295bd40f93182a0e25afd454cc3a091f7c13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a30f0ac03f510f3899a45e43d25466a09b5b4979a22187de4be94dd49189b26a
[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" "a30f0ac03f510f3899a45e43d25466a09b5b4979a22187de4be94dd49189b26a", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking unix-fd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dir.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stdout]    | |______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stdout] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[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/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         foreign_links {
[INFO] [stdout] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:175:45
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:198:45
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:208:45
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dir.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stdout]    | |______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stdout] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[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/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         foreign_links {
[INFO] [stdout] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:175:45
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:198:45
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fd.rs:208:45
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[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/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         foreign_links {
[INFO] [stdout] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     }
[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: 6 warnings emitted
[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/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         foreign_links {
[INFO] [stdout] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     }
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "a30f0ac03f510f3899a45e43d25466a09b5b4979a22187de4be94dd49189b26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30f0ac03f510f3899a45e43d25466a09b5b4979a22187de4be94dd49189b26a", kill_on_drop: false }`
[INFO] [stdout] a30f0ac03f510f3899a45e43d25466a09b5b4979a22187de4be94dd49189b26a