[INFO] fetching crate constriction 0.3.5... [INFO] checking constriction-0.3.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate constriction 0.3.5 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate constriction 0.3.5 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config [INFO] started tweaking crates.io crate constriction 0.3.5 [INFO] finished tweaking crates.io crate constriction 0.3.5 [INFO] tweaked toml for crates.io crate constriction 0.3.5 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 114 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding ndarray v0.15.6 (latest: v0.16.1) [INFO] [stderr] Adding numpy v0.20.0 (latest: v0.21.0) [INFO] [stderr] Adding pyo3 v0.20.3 (latest: v0.22.2) [INFO] [stderr] Adding pyo3-build-config v0.20.3 (latest: v0.22.2) [INFO] [stderr] Adding pyo3-ffi v0.20.3 (latest: v0.22.2) [INFO] [stderr] Adding pyo3-macros v0.20.3 (latest: v0.22.2) [INFO] [stderr] Adding pyo3-macros-backend v0.20.3 (latest: v0.22.2) [INFO] [stderr] Adding random v0.13.2 (latest: v0.14.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding special v0.10.3 (latest: v0.11.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_pcg v0.3.1 [INFO] [stderr] Downloaded random v0.13.2 [INFO] [stderr] Downloaded pyo3-ffi v0.20.3 [INFO] [stderr] Downloaded special v0.10.3 [INFO] [stderr] Downloaded probability v0.20.3 [INFO] [stderr] Downloaded numpy v0.20.0 [INFO] [stderr] Downloaded pyo3-macros-backend v0.20.3 [INFO] [stderr] Downloaded pyo3-macros v0.20.3 [INFO] [stderr] Downloaded pyo3-build-config v0.20.3 [INFO] [stderr] Downloaded pyo3 v0.20.3 [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] 091f5d862dd2af33371a94e1368031a776c65485a34d8d63e7140e2c8ad0d2e7 [INFO] running `Command { std: "docker" "start" "-a" "091f5d862dd2af33371a94e1368031a776c65485a34d8d63e7140e2c8ad0d2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "091f5d862dd2af33371a94e1368031a776c65485a34d8d63e7140e2c8ad0d2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "091f5d862dd2af33371a94e1368031a776c65485a34d8d63e7140e2c8ad0d2e7", kill_on_drop: false }` [INFO] [stdout] 091f5d862dd2af33371a94e1368031a776c65485a34d8d63e7140e2c8ad0d2e7 [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] 238b9939abf46ffd9c0f5a4173b85de2a34791a3049cc85f718e44f0629f7e46 [INFO] running `Command { std: "docker" "start" "-a" "238b9939abf46ffd9c0f5a4173b85de2a34791a3049cc85f718e44f0629f7e46", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking random v0.13.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking special v0.10.3 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking probability v0.20.3 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking constriction v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.209 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:367:13 [INFO] [stdout] | [INFO] [stdout] 367 | CoderError::Backend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:749:13 [INFO] [stdout] | [INFO] [stdout] 749 | Err(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:758:13 [INFO] [stdout] | [INFO] [stdout] 758 | Err(infallible) => match infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:759:17 [INFO] [stdout] | [INFO] [stdout] 759 | CoderError::Backend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:760:17 [INFO] [stdout] | [INFO] [stdout] 760 | CoderError::Frontend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:367:13 [INFO] [stdout] | [INFO] [stdout] 367 | CoderError::Backend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `core::convert::Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:749:13 [INFO] [stdout] | [INFO] [stdout] 749 | Err(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ matches no values because `core::convert::Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:758:13 [INFO] [stdout] | [INFO] [stdout] 758 | Err(infallible) => match infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:759:17 [INFO] [stdout] | [INFO] [stdout] 759 | CoderError::Backend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:760:17 [INFO] [stdout] | [INFO] [stdout] 760 | CoderError::Frontend(infallible) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `CoderError` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.20s [INFO] running `Command { std: "docker" "inspect" "238b9939abf46ffd9c0f5a4173b85de2a34791a3049cc85f718e44f0629f7e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "238b9939abf46ffd9c0f5a4173b85de2a34791a3049cc85f718e44f0629f7e46", kill_on_drop: false }` [INFO] [stdout] 238b9939abf46ffd9c0f5a4173b85de2a34791a3049cc85f718e44f0629f7e46