[INFO] fetching crate pyenv-python 0.4.0...
[INFO] testing pyenv-python-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate pyenv-python 0.4.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyenv-python 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_executable v1.0.1
[INFO] [stderr]   Downloaded apply v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded print_bytes v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 755643fe231b878669e3be1a3705be60177ed189bf2cc0d9bd9ddbd7aa11e57a
[INFO] running `Command { std: "docker" "start" "-a" "755643fe231b878669e3be1a3705be60177ed189bf2cc0d9bd9ddbd7aa11e57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755643fe231b878669e3be1a3705be60177ed189bf2cc0d9bd9ddbd7aa11e57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755643fe231b878669e3be1a3705be60177ed189bf2cc0d9bd9ddbd7aa11e57a", kill_on_drop: false }`
[INFO] [stdout] 755643fe231b878669e3be1a3705be60177ed189bf2cc0d9bd9ddbd7aa11e57a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64466ff9af5f330d656520c49add208d6188eaf7a6a39763d3228dd2361bd5e0
[INFO] running `Command { std: "docker" "start" "-a" "64466ff9af5f330d656520c49add208d6188eaf7a6a39763d3228dd2361bd5e0", 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]    Compiling is_executable v1.0.1
[INFO] [stderr]    Compiling print_bytes v0.4.2
[INFO] [stderr]    Compiling apply v0.3.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[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: value assigned to `source` is never read
[INFO] [stdout]   --> src/lib.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     IOError { root: PathBuf, source: io::Error },
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/lib.rs:316:19
[INFO] [stdout]     |
[INFO] [stdout] 316 |         #[source] error: PyenvPythonExecutableError,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `root` is never read
[INFO] [stdout]    --> src/lib.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         root: PyenvRoot,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/bin/python.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     source: Option<io::Error>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "64466ff9af5f330d656520c49add208d6188eaf7a6a39763d3228dd2361bd5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64466ff9af5f330d656520c49add208d6188eaf7a6a39763d3228dd2361bd5e0", kill_on_drop: false }`
[INFO] [stdout] 64466ff9af5f330d656520c49add208d6188eaf7a6a39763d3228dd2361bd5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630959d04827859d39a9d53666bcd59935b81213fadd928a23dd223ebf015288
[INFO] running `Command { std: "docker" "start" "-a" "630959d04827859d39a9d53666bcd59935b81213fadd928a23dd223ebf015288", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyenv-python v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/lib.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     IOError { root: PathBuf, source: io::Error },
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/lib.rs:316:19
[INFO] [stdout]     |
[INFO] [stdout] 316 |         #[source] error: PyenvPythonExecutableError,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `root` is never read
[INFO] [stdout]    --> src/lib.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         root: PyenvRoot,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/bin/python.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     source: Option<io::Error>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/lib.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |     IOError { root: PathBuf, source: io::Error },
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/lib.rs:316:19
[INFO] [stdout]     |
[INFO] [stdout] 316 |         #[source] error: PyenvPythonExecutableError,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `root` is never read
[INFO] [stdout]    --> src/lib.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         root: PyenvRoot,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "630959d04827859d39a9d53666bcd59935b81213fadd928a23dd223ebf015288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630959d04827859d39a9d53666bcd59935b81213fadd928a23dd223ebf015288", kill_on_drop: false }`
[INFO] [stdout] 630959d04827859d39a9d53666bcd59935b81213fadd928a23dd223ebf015288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 121f3ae6548cafa0857f4e1635c6de38d62596b1c7cea92d3107e036124a26ba
[INFO] running `Command { std: "docker" "start" "-a" "121f3ae6548cafa0857f4e1635c6de38d62596b1c7cea92d3107e036124a26ba", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/lib.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |     IOError { root: PathBuf, source: io::Error },
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `error` is never read
[INFO] [stderr]    --> src/lib.rs:316:19
[INFO] [stderr]     |
[INFO] [stderr] 316 |         #[source] error: PyenvPythonExecutableError,
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `root` is never read
[INFO] [stderr]    --> src/lib.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |         root: PyenvRoot,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pyenv-python` (lib) generated 4 warnings
[INFO] [stderr] warning: `pyenv-python` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/bin/python.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     source: Option<io::Error>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pyenv-python` (bin "python" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pyenv_python-ccbf0cff2bbb9369)
[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] [stderr]      Running unittests src/bin/python.rs (/opt/rustwide/target/debug/deps/python-1c5ff20e964cc0a8)
[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] [stderr]    Doc-tests pyenv_python
[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" "121f3ae6548cafa0857f4e1635c6de38d62596b1c7cea92d3107e036124a26ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121f3ae6548cafa0857f4e1635c6de38d62596b1c7cea92d3107e036124a26ba", kill_on_drop: false }`
[INFO] [stdout] 121f3ae6548cafa0857f4e1635c6de38d62596b1c7cea92d3107e036124a26ba
