[INFO] fetching crate pyembed 0.11.0...
[INFO] checking pyembed-0.11.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate pyembed 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pyembed 0.11.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate pyembed 0.11.0
[INFO] finished tweaking crates.io crate pyembed 0.11.0
[INFO] tweaked toml for crates.io crate pyembed 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f11faf872a9c66720d4c60d2528be9d9b27ff1ee6029c9c700494e14a0516bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f11faf872a9c66720d4c60d2528be9d9b27ff1ee6029c9c700494e14a0516bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f11faf872a9c66720d4c60d2528be9d9b27ff1ee6029c9c700494e14a0516bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f11faf872a9c66720d4c60d2528be9d9b27ff1ee6029c9c700494e14a0516bf", kill_on_drop: false }`
[INFO] [stdout] 9f11faf872a9c66720d4c60d2528be9d9b27ff1ee6029c9c700494e14a0516bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 631103bcc539f165f32de27e2bf13abf83066d188a61959442a645cecc9d0611
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "631103bcc539f165f32de27e2bf13abf83066d188a61959442a645cecc9d0611", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking quoted_printable v0.4.3
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking tugger-file-manifest v0.1.0
[INFO] [stderr]    Compiling pyembed v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking python-packed-resources v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.13.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking spdx v0.3.6
[INFO] [stderr]     Checking tugger-licensing v0.1.0
[INFO] [stderr]     Checking python-packaging v0.4.0
[INFO] [stderr]    Compiling python3-sys v0.5.2
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/package_metadata.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |     def discover(cls, *args, **kwargs) -> PyResult<PyObject> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/package_metadata.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |     def discover(cls, *args, **kwargs) -> PyResult<PyObject> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gil`
[INFO] [stdout]   --> src/interpreter.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     gil: Option<GILGuard>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gil`
[INFO] [stdout]   --> src/interpreter.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     gil: Option<GILGuard>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.97s
[INFO] running `Command { std: "docker" "inspect" "631103bcc539f165f32de27e2bf13abf83066d188a61959442a645cecc9d0611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631103bcc539f165f32de27e2bf13abf83066d188a61959442a645cecc9d0611", kill_on_drop: false }`
[INFO] [stdout] 631103bcc539f165f32de27e2bf13abf83066d188a61959442a645cecc9d0611