[INFO] fetching crate pyenv-python 0.4.0...
[INFO] building pyenv-python-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate pyenv-python 0.4.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyenv-python 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded apply v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded print_bytes v0.4.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 715ced1047c7a57eb3857fbea00376226a82083427f33293de225947b509b1e2
[INFO] running `Command { std: "docker" "start" "-a" "715ced1047c7a57eb3857fbea00376226a82083427f33293de225947b509b1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715ced1047c7a57eb3857fbea00376226a82083427f33293de225947b509b1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715ced1047c7a57eb3857fbea00376226a82083427f33293de225947b509b1e2", kill_on_drop: false }`
[INFO] [stdout] 715ced1047c7a57eb3857fbea00376226a82083427f33293de225947b509b1e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] accecc7fa9c83701d2301f65496cbb08946c3cbe502ef1cd10ae57aef7d3c731
[INFO] running `Command { std: "docker" "start" "-a" "accecc7fa9c83701d2301f65496cbb08946c3cbe502ef1cd10ae57aef7d3c731", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling print_bytes v0.4.2
[INFO] [stderr]    Compiling is_executable v1.0.1
[INFO] [stderr]    Compiling apply v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "accecc7fa9c83701d2301f65496cbb08946c3cbe502ef1cd10ae57aef7d3c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accecc7fa9c83701d2301f65496cbb08946c3cbe502ef1cd10ae57aef7d3c731", kill_on_drop: false }`
[INFO] [stdout] accecc7fa9c83701d2301f65496cbb08946c3cbe502ef1cd10ae57aef7d3c731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98ad76959dffc386d536894e6b04eefc463334a742edc32a40e544a6899fc87
[INFO] running `Command { std: "docker" "start" "-a" "a98ad76959dffc386d536894e6b04eefc463334a742edc32a40e544a6899fc87", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a98ad76959dffc386d536894e6b04eefc463334a742edc32a40e544a6899fc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98ad76959dffc386d536894e6b04eefc463334a742edc32a40e544a6899fc87", kill_on_drop: false }`
[INFO] [stdout] a98ad76959dffc386d536894e6b04eefc463334a742edc32a40e544a6899fc87