[INFO] fetching crate duct 0.12.0...
[INFO] checking duct-0.12.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate duct 0.12.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate duct 0.12.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate duct 0.12.0
[INFO] finished tweaking crates.io crate duct 0.12.0
[INFO] tweaked toml for crates.io crate duct 0.12.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5101f6d74d5f3554db76d21c22b8e1710cca7fcb4af8f6b419b3ee11e89f7038
[INFO] running `"docker" "start" "-a" "5101f6d74d5f3554db76d21c22b8e1710cca7fcb4af8f6b419b3ee11e89f7038"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking os_pipe v0.8.2
[INFO] [stderr]     Checking duct v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1565:16
[INFO] [stderr]      |
[INFO] [stderr] 1565 |     inner: Arc<Fn(&mut Command) -> io::Result<()> + Send + Sync>,
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Command) -> io::Result<()> + Send + Sync`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ExitStatusExt` is imported redundantly
[INFO] [stderr]     --> src/lib.rs:1704:13
[INFO] [stderr]      |
[INFO] [stderr] 98   | use std::os::unix::prelude::*;
[INFO] [stderr]      |     ------------------------- the item `ExitStatusExt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1704 |         use std::os::unix::process::ExitStatusExt;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1565:16
[INFO] [stderr]      |
[INFO] [stderr] 1565 |     inner: Arc<Fn(&mut Command) -> io::Result<()> + Send + Sync>,
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Command) -> io::Result<()> + Send + Sync`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ExitStatusExt` is imported redundantly
[INFO] [stderr]     --> src/lib.rs:1704:13
[INFO] [stderr]      |
[INFO] [stderr] 98   | use std::os::unix::prelude::*;
[INFO] [stderr]      |     ------------------------- the item `ExitStatusExt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1704 |         use std::os::unix::process::ExitStatusExt;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/test.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/test.rs:43:37
[INFO] [stderr]    |
[INFO] [stderr] 43 |     static CARGO_BUILD_ONCE: Once = ONCE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `"docker" "inspect" "5101f6d74d5f3554db76d21c22b8e1710cca7fcb4af8f6b419b3ee11e89f7038"`
[INFO] running `"docker" "rm" "-f" "5101f6d74d5f3554db76d21c22b8e1710cca7fcb4af8f6b419b3ee11e89f7038"`
[INFO] [stdout] 5101f6d74d5f3554db76d21c22b8e1710cca7fcb4af8f6b419b3ee11e89f7038