[INFO] fetching crate pyenv-python 0.4.0...
[INFO] testing pyenv-python-0.4.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate pyenv-python 0.4.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyenv-python 0.4.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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 is_executable v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded print_bytes v0.4.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f70e1f452fad5bdaa1946f6322aeec0efd9a40eaf213c93eeb6e345288dd54dc
[INFO] running `Command { std: "docker" "start" "-a" "f70e1f452fad5bdaa1946f6322aeec0efd9a40eaf213c93eeb6e345288dd54dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f70e1f452fad5bdaa1946f6322aeec0efd9a40eaf213c93eeb6e345288dd54dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70e1f452fad5bdaa1946f6322aeec0efd9a40eaf213c93eeb6e345288dd54dc", kill_on_drop: false }`
[INFO] [stdout] f70e1f452fad5bdaa1946f6322aeec0efd9a40eaf213c93eeb6e345288dd54dc
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 998bf881eeddbd5cd82471b2d37ff11ffb7f371355dc86a21f203d405dde7762
[INFO] running `Command { std: "docker" "start" "-a" "998bf881eeddbd5cd82471b2d37ff11ffb7f371355dc86a21f203d405dde7762", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling apply v0.3.0
[INFO] [stderr]    Compiling is_executable v1.0.1
[INFO] [stderr]    Compiling print_bytes v0.4.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "998bf881eeddbd5cd82471b2d37ff11ffb7f371355dc86a21f203d405dde7762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998bf881eeddbd5cd82471b2d37ff11ffb7f371355dc86a21f203d405dde7762", kill_on_drop: false }`
[INFO] [stdout] 998bf881eeddbd5cd82471b2d37ff11ffb7f371355dc86a21f203d405dde7762
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 281fa8ce5973a408b099d20e2a3eb6d7124376f47a1bde1f474ab2997c2caeb9
[INFO] running `Command { std: "docker" "start" "-a" "281fa8ce5973a408b099d20e2a3eb6d7124376f47a1bde1f474ab2997c2caeb9", 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)]` 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 `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "281fa8ce5973a408b099d20e2a3eb6d7124376f47a1bde1f474ab2997c2caeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281fa8ce5973a408b099d20e2a3eb6d7124376f47a1bde1f474ab2997c2caeb9", kill_on_drop: false }`
[INFO] [stdout] 281fa8ce5973a408b099d20e2a3eb6d7124376f47a1bde1f474ab2997c2caeb9
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1a3557fe5a04ffafcfced79d51476af9b5fa1f2c21625ddef3eefaee5d21aae6
[INFO] running `Command { std: "docker" "start" "-a" "1a3557fe5a04ffafcfced79d51476af9b5fa1f2c21625ddef3eefaee5d21aae6", kill_on_drop: false }`
[INFO] [stderr] warning: field `root` is never read
[INFO] [stderr]    --> src/lib.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 275 | pub struct Pyenv {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 276 |     root: PyenvRoot,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Pyenv` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pyenv-python` (lib) generated 1 warning
[INFO] [stderr] warning: `pyenv-python` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pyenv_python-e233788fcd2538ad)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/python.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/python-048b19876bb2eb11)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a3557fe5a04ffafcfced79d51476af9b5fa1f2c21625ddef3eefaee5d21aae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3557fe5a04ffafcfced79d51476af9b5fa1f2c21625ddef3eefaee5d21aae6", kill_on_drop: false }`
[INFO] [stdout] 1a3557fe5a04ffafcfced79d51476af9b5fa1f2c21625ddef3eefaee5d21aae6