[INFO] fetching crate unix_str 1.0.0...
[INFO] checking unix_str-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate unix_str 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate unix_str 1.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unix_str 1.0.0
[INFO] finished tweaking crates.io crate unix_str 1.0.0
[INFO] tweaked toml for crates.io crate unix_str 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9f35acb386d0903f0a3c4156cbaea5fb4e369b7182a170c859efe69f8b7a04
[INFO] running `Command { std: "docker" "start" "-a" "ae9f35acb386d0903f0a3c4156cbaea5fb4e369b7182a170c859efe69f8b7a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9f35acb386d0903f0a3c4156cbaea5fb4e369b7182a170c859efe69f8b7a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9f35acb386d0903f0a3c4156cbaea5fb4e369b7182a170c859efe69f8b7a04", kill_on_drop: false }`
[INFO] [stdout] ae9f35acb386d0903f0a3c4156cbaea5fb4e369b7182a170c859efe69f8b7a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f78a7d67507eee744b2912ef0197bfb60b360959ff5e777c7f34dacb1de1a46
[INFO] running `Command { std: "docker" "start" "-a" "2f78a7d67507eee744b2912ef0197bfb60b360959ff5e777c7f34dacb1de1a46", kill_on_drop: false }`
[INFO] [stderr]     Checking unix_str v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Formatter` is imported redundantly
[INFO] [stdout]   --> src/sys_common/bytestring.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use super::*;
[INFO] [stdout]    |         -------- the item `Formatter` is already imported here
[INFO] [stdout] 26 |     use crate::fmt::{Debug, Formatter, Result};
[INFO] [stdout]    |                             ^^^^^^^^^
[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/sys_common/bytestring.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use super::*;
[INFO] [stdout]    |         -------- the item `Result` is already imported here
[INFO] [stdout] 26 |     use crate::fmt::{Debug, Formatter, Result};
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsInner` is imported redundantly
[INFO] [stdout]     --> src/lib.rs:1220:22
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     use super::*;
[INFO] [stdout]      |         -------- the item `AsInner` is already imported here
[INFO] [stdout] 1220 |     use sys_common::{AsInner, IntoInner};
[INFO] [stdout]      |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoInner` is imported redundantly
[INFO] [stdout]     --> src/lib.rs:1220:31
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     use super::*;
[INFO] [stdout]      |         -------- the item `IntoInner` is already imported here
[INFO] [stdout] 1220 |     use sys_common::{AsInner, IntoInner};
[INFO] [stdout]      |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]     --> src/lib.rs:1222:9
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     use super::*;
[INFO] [stdout]      |         -------- the item `Rc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1222 |     use alloc::rc::Rc;
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]     --> src/lib.rs:1223:9
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     use super::*;
[INFO] [stdout]      |         -------- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1223 |     use alloc::sync::Arc;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsInnerMut` is never used
[INFO] [stdout]   --> src/sys_common.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait AsInnerMut<Inner: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsInnerMut` is never used
[INFO] [stdout]   --> src/sys_common.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait AsInnerMut<Inner: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2f78a7d67507eee744b2912ef0197bfb60b360959ff5e777c7f34dacb1de1a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f78a7d67507eee744b2912ef0197bfb60b360959ff5e777c7f34dacb1de1a46", kill_on_drop: false }`
[INFO] [stdout] 2f78a7d67507eee744b2912ef0197bfb60b360959ff5e777c7f34dacb1de1a46