[INFO] fetching crate hush 0.1.4...
[INFO] checking hush-0.1.4 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate hush 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hush 0.1.4 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hush 0.1.4
[INFO] finished tweaking crates.io crate hush 0.1.4
[INFO] tweaked toml for crates.io crate hush 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate hush 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded assert_matches v1.5.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded gc_derive v0.4.1
[INFO] [stderr]   Downloaded os_pipe v1.0.1
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded intaglio v1.2.2
[INFO] [stderr]   Downloaded gc v0.4.1
[INFO] [stderr]   Downloaded automod v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30dcd16b1bec8a440df2744d114ef474aa7146ad9131243d5e52de90fcf92f97
[INFO] running `Command { std: "docker" "start" "-a" "30dcd16b1bec8a440df2744d114ef474aa7146ad9131243d5e52de90fcf92f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30dcd16b1bec8a440df2744d114ef474aa7146ad9131243d5e52de90fcf92f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30dcd16b1bec8a440df2744d114ef474aa7146ad9131243d5e52de90fcf92f97", kill_on_drop: false }`
[INFO] [stdout] 30dcd16b1bec8a440df2744d114ef474aa7146ad9131243d5e52de90fcf92f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cef17607183d3a9671ee2dfc8645237cf4c755cb7dae5c998b7fed6fbfaa684
[INFO] running `Command { std: "docker" "start" "-a" "1cef17607183d3a9671ee2dfc8645237cf4c755cb7dae5c998b7fed6fbfaa684", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking intaglio v1.2.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking os_pipe v1.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking gc v0.4.1
[INFO] [stderr]     Checking hush v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]   --> src/semantic/mod.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use error::{Error, ErrorKind, Errors, ErrorsDisplayContext};
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Black`
[INFO] [stdout]  --> src/term/color.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use termion::color::{Black, Blue, Green, Red, Yellow};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]   --> src/semantic/mod.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use error::{Error, ErrorKind, Errors, ErrorsDisplayContext};
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Black`
[INFO] [stdout]  --> src/term/color.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use termion::color::{Black, Blue, Green, Red, Yellow};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/runtime/mod.rs:456:58
[INFO] [stdout]     |
[INFO] [stdout] 456 |   ...                   (Value::Array(ref array), Value::Int(ix)) => array
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 457 | | ...                       .deref()
[INFO] [stdout]     | |__________________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `runtime::value::array::Array` does not implement `Deref`, so calling `deref` on `&runtime::value::array::Array` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/runtime/mod.rs:456:58
[INFO] [stdout]     |
[INFO] [stdout] 456 |   ...                   (Value::Array(ref array), Value::Int(ix)) => array
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 457 | | ...                       .deref()
[INFO] [stdout]     | |__________________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `runtime::value::array::Array` does not implement `Deref`, so calling `deref` on `&runtime::value::array::Array` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "1cef17607183d3a9671ee2dfc8645237cf4c755cb7dae5c998b7fed6fbfaa684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cef17607183d3a9671ee2dfc8645237cf4c755cb7dae5c998b7fed6fbfaa684", kill_on_drop: false }`
[INFO] [stdout] 1cef17607183d3a9671ee2dfc8645237cf4c755cb7dae5c998b7fed6fbfaa684