[INFO] fetching crate duct 0.12.0...
[INFO] extracting crate duct 0.12.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/duct/0.12.0
[INFO] extracting crate duct 0.12.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/duct/0.12.0
[INFO] validating manifest of duct-0.12.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of duct-0.12.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing duct-0.12.0
[INFO] finished frobbing duct-0.12.0
[INFO] frobbed toml for duct-0.12.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/duct/0.12.0/Cargo.toml
[INFO] started frobbing duct-0.12.0
[INFO] finished frobbing duct-0.12.0
[INFO] frobbed toml for duct-0.12.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/duct/0.12.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building duct-0.12.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/duct/0.12.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 7491c6472c48a198ef7d0b483ff3483c006840b65f56b24dab10547e57d2cd24
[INFO] running `"docker" "start" "-a" "7491c6472c48a198ef7d0b483ff3483c006840b65f56b24dab10547e57d2cd24"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling duct v0.12.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "7491c6472c48a198ef7d0b483ff3483c006840b65f56b24dab10547e57d2cd24"`
[INFO] running `"docker" "rm" "-f" "7491c6472c48a198ef7d0b483ff3483c006840b65f56b24dab10547e57d2cd24"`
[INFO] [stdout] 7491c6472c48a198ef7d0b483ff3483c006840b65f56b24dab10547e57d2cd24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/duct/0.12.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ab4190e7f6868d14a8619475d90751ac8dbba2892f2337f1479aac4f1450ced3
[INFO] running `"docker" "start" "-a" "ab4190e7f6868d14a8619475d90751ac8dbba2892f2337f1479aac4f1450ced3"`
[INFO] [stderr]    Compiling duct v0.12.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "ab4190e7f6868d14a8619475d90751ac8dbba2892f2337f1479aac4f1450ced3"`
[INFO] running `"docker" "rm" "-f" "ab4190e7f6868d14a8619475d90751ac8dbba2892f2337f1479aac4f1450ced3"`
[INFO] [stdout] ab4190e7f6868d14a8619475d90751ac8dbba2892f2337f1479aac4f1450ced3