[INFO] fetching crate nc 0.8.18...
[INFO] checking nc-0.8.18 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nc 0.8.18 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate nc 0.8.18 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nc 0.8.18
[INFO] finished tweaking crates.io crate nc 0.8.18
[INFO] tweaked toml for crates.io crate nc 0.8.18 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate nc 0.8.18 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84e8a2dc108d3c0c4a988527f5269786b6581171821563a356a2f8e64ba1cac
[INFO] running `Command { std: "docker" "start" "-a" "f84e8a2dc108d3c0c4a988527f5269786b6581171821563a356a2f8e64ba1cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84e8a2dc108d3c0c4a988527f5269786b6581171821563a356a2f8e64ba1cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84e8a2dc108d3c0c4a988527f5269786b6581171821563a356a2f8e64ba1cac", kill_on_drop: false }`
[INFO] [stdout] f84e8a2dc108d3c0c4a988527f5269786b6581171821563a356a2f8e64ba1cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11ab8abea98da86738f3198dc89aa125531d98491a9c9c309818f562710cf220
[INFO] running `Command { std: "docker" "start" "-a" "11ab8abea98da86738f3198dc89aa125531d98491a9c9c309818f562710cf220", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling nc v0.8.18 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Box` is imported redundantly
[INFO] [stdout]    --> src/c_str.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | use alloc::boxed::Box;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Box` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     warnings,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/c_str.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/path.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/platform/linux-types/linux/dirent.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/util.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/util.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/util.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Box` is imported redundantly
[INFO] [stdout]    --> src/c_str.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | use alloc::boxed::Box;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Box` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     warnings,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/c_str.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/path.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `arch::*`
[INFO] [stdout]   --> src/platform/linux-types/mod.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub use arch::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/platform/linux-types/linux/dirent.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `String` is imported redundantly
[INFO] [stdout]  --> src/util.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/util.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::string::{String, ToString};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/util.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc` (lib) due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nc` (lib test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "11ab8abea98da86738f3198dc89aa125531d98491a9c9c309818f562710cf220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ab8abea98da86738f3198dc89aa125531d98491a9c9c309818f562710cf220", kill_on_drop: false }`
[INFO] [stdout] 11ab8abea98da86738f3198dc89aa125531d98491a9c9c309818f562710cf220
