[INFO] fetching crate rust_util 0.6.46...
[INFO] checking rust_util-0.6.46 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate rust_util 0.6.46 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rust_util 0.6.46 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_util 0.6.46
[INFO] finished tweaking crates.io crate rust_util 0.6.46
[INFO] tweaked toml for crates.io crate rust_util 0.6.46 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust_util 0.6.46 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 384992691a9667d78fe8cba5aa0734a9dda6e0bd87d80ae3b2472dbe2e03e194
[INFO] running `Command { std: "docker" "start" "-a" "384992691a9667d78fe8cba5aa0734a9dda6e0bd87d80ae3b2472dbe2e03e194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384992691a9667d78fe8cba5aa0734a9dda6e0bd87d80ae3b2472dbe2e03e194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384992691a9667d78fe8cba5aa0734a9dda6e0bd87d80ae3b2472dbe2e03e194", kill_on_drop: false }`
[INFO] [stdout] 384992691a9667d78fe8cba5aa0734a9dda6e0bd87d80ae3b2472dbe2e03e194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0314e223b3b53172411b2cf3c082e6399dc484024f9070c891f5080f694e1c6
[INFO] running `Command { std: "docker" "start" "-a" "a0314e223b3b53172411b2cf3c082e6399dc484024f9070c891f5080f694e1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rust_util v0.6.46 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/util_io.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, ErrorKind, prelude::*, Write};
[INFO] [stdout]   |                                ----------  ^^^^^
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/util_net.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/util_io.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, ErrorKind, prelude::*, Write};
[INFO] [stdout]   |                                ----------  ^^^^^
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/util_net.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "a0314e223b3b53172411b2cf3c082e6399dc484024f9070c891f5080f694e1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0314e223b3b53172411b2cf3c082e6399dc484024f9070c891f5080f694e1c6", kill_on_drop: false }`
[INFO] [stdout] a0314e223b3b53172411b2cf3c082e6399dc484024f9070c891f5080f694e1c6
[INFO] checking rust_util-0.6.46 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate rust_util 0.6.46 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rust_util 0.6.46 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_util 0.6.46
[INFO] finished tweaking crates.io crate rust_util 0.6.46
[INFO] tweaked toml for crates.io crate rust_util 0.6.46 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust_util 0.6.46 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65d99613a39de7348c5f8c887a77a5dbd677e26ef0fa403c6ebc97b08eab62e1
[INFO] running `Command { std: "docker" "start" "-a" "65d99613a39de7348c5f8c887a77a5dbd677e26ef0fa403c6ebc97b08eab62e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d99613a39de7348c5f8c887a77a5dbd677e26ef0fa403c6ebc97b08eab62e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d99613a39de7348c5f8c887a77a5dbd677e26ef0fa403c6ebc97b08eab62e1", kill_on_drop: false }`
[INFO] [stdout] 65d99613a39de7348c5f8c887a77a5dbd677e26ef0fa403c6ebc97b08eab62e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db752211af876b85c191eba1e0d551aa5a0a414a07c7a14d5c72a92f13284d65
[INFO] running `Command { std: "docker" "start" "-a" "db752211af876b85c191eba1e0d551aa5a0a414a07c7a14d5c72a92f13284d65", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "db752211af876b85c191eba1e0d551aa5a0a414a07c7a14d5c72a92f13284d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db752211af876b85c191eba1e0d551aa5a0a414a07c7a14d5c72a92f13284d65", kill_on_drop: false }`
[INFO] [stdout] db752211af876b85c191eba1e0d551aa5a0a414a07c7a14d5c72a92f13284d65