[INFO] fetching crate stackmate 0.7.15...
[INFO] checking stackmate-0.7.15 against try#ef8c760c4c3d93b561a5b431502e92f4b4773aca for pr-92472
[INFO] extracting crate stackmate 0.7.15 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate stackmate 0.7.15 on toolchain ef8c760c4c3d93b561a5b431502e92f4b4773aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stackmate 0.7.15
[INFO] finished tweaking crates.io crate stackmate 0.7.15
[INFO] tweaked toml for crates.io crate stackmate 0.7.15 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `46.6.1+0.4.6.6` for dependency `libtor` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libtor-derive v0.1.2
[INFO] [stderr]   Downloaded core-rpc v0.14.0
[INFO] [stderr]   Downloaded base64-compat v1.0.0
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[INFO] [stderr]   Downloaded core-rpc-json v0.14.0
[INFO] [stderr]   Downloaded libtor v46.6.1+0.4.6.6
[INFO] [stderr]   Downloaded jsonrpc v0.12.0
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[INFO] [stderr]   Downloaded bdk v0.12.0
[INFO] [stderr]   Downloaded libtor-sys v46.7.1+0.4.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6c488cb2587b2d31541f762a7619e3a1cd823768092b109fba538883199e47
[INFO] running `Command { std: "docker" "start" "-a" "ed6c488cb2587b2d31541f762a7619e3a1cd823768092b109fba538883199e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6c488cb2587b2d31541f762a7619e3a1cd823768092b109fba538883199e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6c488cb2587b2d31541f762a7619e3a1cd823768092b109fba538883199e47", kill_on_drop: false }`
[INFO] [stdout] ed6c488cb2587b2d31541f762a7619e3a1cd823768092b109fba538883199e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e5864eb2ad912395c9ae0a65752cda1713b2cb8328d9abc4cf9af040dcde70
[INFO] running `Command { std: "docker" "start" "-a" "b0e5864eb2ad912395c9ae0a65752cda1713b2cb8328d9abc4cf9af040dcde70", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `46.6.1+0.4.6.6` for dependency `libtor` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cc v1.0.72
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling serde_derive v1.0.133
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[INFO] [stderr]     Checking libtor v46.6.1+0.4.6.6
[INFO] [stderr]     Checking stackmate v0.7.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `key_pair`
[INFO] [stdout]   --> src/key/schnorr.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   key_pair: KeyPair,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]   --> src/key/schnorr.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   public_key: PublicKey,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:963:3
[INFO] [stdout]     |
[INFO] [stdout] 963 |   CString::from_raw(ptr);
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key_pair`
[INFO] [stdout]   --> src/key/schnorr.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   key_pair: KeyPair,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `public_key`
[INFO] [stdout]   --> src/key/schnorr.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   public_key: PublicKey,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ffi::CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:963:3
[INFO] [stdout]     |
[INFO] [stdout] 963 |   CString::from_raw(ptr);
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "b0e5864eb2ad912395c9ae0a65752cda1713b2cb8328d9abc4cf9af040dcde70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e5864eb2ad912395c9ae0a65752cda1713b2cb8328d9abc4cf9af040dcde70", kill_on_drop: false }`
[INFO] [stdout] b0e5864eb2ad912395c9ae0a65752cda1713b2cb8328d9abc4cf9af040dcde70