[INFO] fetching crate nexsys 0.0.2... [INFO] checking nexsys-0.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate nexsys 0.0.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate nexsys 0.0.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nexsys 0.0.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate nexsys 0.0.2 [INFO] tweaked toml for crates.io crate nexsys 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate nexsys 0.0.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 unindent v0.1.10 [INFO] [stderr] Downloaded pyo3-macros v0.17.3 [INFO] [stderr] Downloaded serde_json v1.0.89 [INFO] [stderr] Downloaded meval v0.2.0 [INFO] [stderr] Downloaded indoc v1.0.7 [INFO] [stderr] Downloaded lock_api v0.4.9 [INFO] [stderr] Downloaded parking_lot_core v0.9.5 [INFO] [stderr] Downloaded pyo3-ffi v0.17.3 [INFO] [stderr] Downloaded serde v1.0.149 [INFO] [stderr] Downloaded syn v1.0.105 [INFO] [stderr] Downloaded pyo3 v0.17.3 [INFO] [stderr] Downloaded libc v0.2.138 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded target-lexicon v0.12.5 [INFO] [stderr] Downloaded pyo3-build-config v0.17.3 [INFO] [stderr] Downloaded pyo3-macros-backend v0.17.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2dd74bc09e84b64780b6ad15cdcaa9a32b0c801abc84c4765fb3be58de0d26f [INFO] running `Command { std: "docker" "start" "-a" "a2dd74bc09e84b64780b6ad15cdcaa9a32b0c801abc84c4765fb3be58de0d26f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2dd74bc09e84b64780b6ad15cdcaa9a32b0c801abc84c4765fb3be58de0d26f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2dd74bc09e84b64780b6ad15cdcaa9a32b0c801abc84c4765fb3be58de0d26f", kill_on_drop: false }` [INFO] [stdout] a2dd74bc09e84b64780b6ad15cdcaa9a32b0c801abc84c4765fb3be58de0d26f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6f5010d5669d9a5043d67dfa5842bdcbc8ed26a0d4f18f36ec0b098b4964a87 [INFO] running `Command { std: "docker" "start" "-a" "e6f5010d5669d9a5043d67dfa5842bdcbc8ed26a0d4f18f36ec0b098b4964a87", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.149 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking meval v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking nexsys v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mvcalc/nxn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::{ [INFO] [stdout] 3 | mvcalc::*, [INFO] [stdout] | --------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mvcalc/nxn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::{ [INFO] [stdout] 3 | mvcalc::*, [INFO] [stdout] | --------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nexsys::mvcalc::round` [INFO] [stdout] --> tests/tools.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use nexsys::mvcalc::round; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `round` is imported redundantly [INFO] [stdout] --> tests/math.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nexsys::mvcalc::*; [INFO] [stdout] | ----------------- the item `round` is already imported here [INFO] [stdout] 5 | use nexsys::algos::{Variable, stitch_hm}; [INFO] [stdout] 6 | use tools::round; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "e6f5010d5669d9a5043d67dfa5842bdcbc8ed26a0d4f18f36ec0b098b4964a87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6f5010d5669d9a5043d67dfa5842bdcbc8ed26a0d4f18f36ec0b098b4964a87", kill_on_drop: false }` [INFO] [stdout] e6f5010d5669d9a5043d67dfa5842bdcbc8ed26a0d4f18f36ec0b098b4964a87 [INFO] checking nexsys-0.0.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate nexsys 0.0.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate nexsys 0.0.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nexsys 0.0.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate nexsys 0.0.2 [INFO] tweaked toml for crates.io crate nexsys 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate nexsys 0.0.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd97be004ae9d5f57e909e65808dcccb1aa98c49385dad3c690186f62d90f156 [INFO] running `Command { std: "docker" "start" "-a" "dd97be004ae9d5f57e909e65808dcccb1aa98c49385dad3c690186f62d90f156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd97be004ae9d5f57e909e65808dcccb1aa98c49385dad3c690186f62d90f156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd97be004ae9d5f57e909e65808dcccb1aa98c49385dad3c690186f62d90f156", kill_on_drop: false }` [INFO] [stdout] dd97be004ae9d5f57e909e65808dcccb1aa98c49385dad3c690186f62d90f156 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b5dfcd75bf2ddbcc8f3892de82d88fada1a3dd971b581e971c9e949e23caac0 [INFO] running `Command { std: "docker" "start" "-a" "3b5dfcd75bf2ddbcc8f3892de82d88fada1a3dd971b581e971c9e949e23caac0", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.149 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking meval v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking nexsys v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mvcalc/nxn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::{ [INFO] [stdout] 3 | mvcalc::*, [INFO] [stdout] | --------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/mvcalc/nxn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use crate::{ [INFO] [stdout] 3 | mvcalc::*, [INFO] [stdout] | --------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nexsys::mvcalc::round` [INFO] [stdout] --> tests/tools.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use nexsys::mvcalc::round; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `round` is imported redundantly [INFO] [stdout] --> tests/math.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nexsys::mvcalc::*; [INFO] [stdout] | ----------------- the item `round` is already imported here [INFO] [stdout] 5 | use nexsys::algos::{Variable, stitch_hm}; [INFO] [stdout] 6 | use tools::round; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "3b5dfcd75bf2ddbcc8f3892de82d88fada1a3dd971b581e971c9e949e23caac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b5dfcd75bf2ddbcc8f3892de82d88fada1a3dd971b581e971c9e949e23caac0", kill_on_drop: false }` [INFO] [stdout] 3b5dfcd75bf2ddbcc8f3892de82d88fada1a3dd971b581e971c9e949e23caac0