[INFO] fetching crate pyenv-python 0.4.0...
[INFO] checking pyenv-python-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate pyenv-python 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pyenv-python 0.4.0
[INFO] finished tweaking crates.io crate pyenv-python 0.4.0
[INFO] tweaked toml for crates.io crate pyenv-python 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyenv-python 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pyenv-python 0.4.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded print_bytes v0.4.2
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c4023b5209dbd6001466afa2ac6fe743da47d94fb430cbc8cf8dd48dee52c4
[INFO] running `Command { std: "docker" "start" "-a" "49c4023b5209dbd6001466afa2ac6fe743da47d94fb430cbc8cf8dd48dee52c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c4023b5209dbd6001466afa2ac6fe743da47d94fb430cbc8cf8dd48dee52c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c4023b5209dbd6001466afa2ac6fe743da47d94fb430cbc8cf8dd48dee52c4", kill_on_drop: false }`
[INFO] [stdout] 49c4023b5209dbd6001466afa2ac6fe743da47d94fb430cbc8cf8dd48dee52c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddef20dde1c47e5b858c04aeb947309a8bedfdc7c9b16c8eb06deaa0a792273a
[INFO] running `Command { std: "docker" "start" "-a" "ddef20dde1c47e5b858c04aeb947309a8bedfdc7c9b16c8eb06deaa0a792273a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking print_bytes v0.4.2
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]     Checking apply v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pyenv-python v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Pyenv {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 276 |     root: PyenvRoot,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Pyenv` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Pyenv {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 276 |     root: PyenvRoot,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Pyenv` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "ddef20dde1c47e5b858c04aeb947309a8bedfdc7c9b16c8eb06deaa0a792273a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddef20dde1c47e5b858c04aeb947309a8bedfdc7c9b16c8eb06deaa0a792273a", kill_on_drop: false }`
[INFO] [stdout] ddef20dde1c47e5b858c04aeb947309a8bedfdc7c9b16c8eb06deaa0a792273a