[INFO] fetching crate ptstd 0.1.2...
[INFO] checking ptstd-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ptstd 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ptstd 0.1.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptstd 0.1.2
[INFO] finished tweaking crates.io crate ptstd 0.1.2
[INFO] tweaked toml for crates.io crate ptstd 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to latest compatible versions
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (latest: v0.16.1)
[INFO] [stderr]       Adding pem-rfc7468 v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding pkcs1 v0.4.1 (latest: v0.7.5)
[INFO] [stderr]       Adding pkcs8 v0.9.0 (latest: v0.10.2)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding rsa v0.7.2 (latest: v0.9.6)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding spki v0.6.0 (latest: v0.7.3)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec196a4c81017e22f58e6bead8b8a9dfc74481ac03f8b28c61e25bd9e110bcaf
[INFO] running `Command { std: "docker" "start" "-a" "ec196a4c81017e22f58e6bead8b8a9dfc74481ac03f8b28c61e25bd9e110bcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec196a4c81017e22f58e6bead8b8a9dfc74481ac03f8b28c61e25bd9e110bcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec196a4c81017e22f58e6bead8b8a9dfc74481ac03f8b28c61e25bd9e110bcaf", kill_on_drop: false }`
[INFO] [stdout] ec196a4c81017e22f58e6bead8b8a9dfc74481ac03f8b28c61e25bd9e110bcaf
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a9fedaeabb851dfb0807ca3d869428fc1b17a2b4dff1b8a459543a8f7ed62ef
[INFO] running `Command { std: "docker" "start" "-a" "1a9fedaeabb851dfb0807ca3d869428fc1b17a2b4dff1b8a459543a8f7ed62ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rsa v0.7.2
[INFO] [stderr]     Checking ptstd v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ptr/mrc.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         unsafe { Box::from_raw(self.0) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |         unsafe { let _ = Box::from_raw(self.0); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ptr/mrc.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         unsafe { Box::from_raw(self.0) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |         unsafe { let _ = Box::from_raw(self.0); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "1a9fedaeabb851dfb0807ca3d869428fc1b17a2b4dff1b8a459543a8f7ed62ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9fedaeabb851dfb0807ca3d869428fc1b17a2b4dff1b8a459543a8f7ed62ef", kill_on_drop: false }`
[INFO] [stdout] 1a9fedaeabb851dfb0807ca3d869428fc1b17a2b4dff1b8a459543a8f7ed62ef