[INFO] cloning repository https://github.com/Aoi1011/My-crossword
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aoi1011/My-crossword" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAoi1011%2FMy-crossword", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAoi1011%2FMy-crossword'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaea6fa8c146ec5c213b46f838a439ae7cdc35f0
[INFO] checking Aoi1011/My-crossword against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAoi1011%2FMy-crossword" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aoi1011/My-crossword
[INFO] finished tweaking git repo https://github.com/Aoi1011/My-crossword
[INFO] tweaked toml for git repo https://github.com/Aoi1011/My-crossword written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aoi1011/My-crossword on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aoi1011/My-crossword 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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 opaque-debug v0.3.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded sha2 v0.10.7
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded num-traits v0.2.16
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded ibig v0.3.6
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81938ad09df79421b4f0d39ed224b517d764f9234ce130e3311dbd10687aedbe
[INFO] running `Command { std: "docker" "start" "-a" "81938ad09df79421b4f0d39ed224b517d764f9234ce130e3311dbd10687aedbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81938ad09df79421b4f0d39ed224b517d764f9234ce130e3311dbd10687aedbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81938ad09df79421b4f0d39ed224b517d764f9234ce130e3311dbd10687aedbe", kill_on_drop: false }`
[INFO] [stdout] 81938ad09df79421b4f0d39ed224b517d764f9234ce130e3311dbd10687aedbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d478dadf54a96160f988a0251b8146e048a7687b2feedad76b8d79a69c9a3d0f
[INFO] running `Command { std: "docker" "start" "-a" "d478dadf54a96160f988a0251b8146e048a7687b2feedad76b8d79a69c9a3d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling libsecp256k1-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking ibig v0.3.6
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.1.0 (/opt/rustwide/workdir/gen/genmult)
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.1.0 (/opt/rustwide/workdir/gen/ecmult)
[INFO] [stderr]    Compiling libsecp256k1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking finite-fields v0.1.0 (/opt/rustwide/workdir/finite-fields)
[INFO] [stderr]     Checking elliptic-curves v0.1.0 (/opt/rustwide/workdir/elliptic-curves)
[INFO] [stdout] warning: unused import: `thread::current`
[INFO] [stdout]  --> elliptic-curves/src/helper.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     thread::current,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ecc v0.1.0 (/opt/rustwide/workdir/elliptic-curve-cryptography)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> elliptic-curve-cryptography/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `finite_fields::FieldElement`
[INFO] [stdout]  --> elliptic-curve-cryptography/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use finite_fields::FieldElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ibig::IBig`
[INFO] [stdout]  --> elliptic-curve-cryptography/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ibig::IBig;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Num`
[INFO] [stdout]   --> elliptic-curve-cryptography/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use num_traits::Num;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `S256Point` is never constructed
[INFO] [stdout]   --> elliptic-curve-cryptography/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct S256Point(Point);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> elliptic-curve-cryptography/src/lib.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct S256Point(Point);
[INFO] [stdout]    |            --------- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `S256Point` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecc` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d478dadf54a96160f988a0251b8146e048a7687b2feedad76b8d79a69c9a3d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d478dadf54a96160f988a0251b8146e048a7687b2feedad76b8d79a69c9a3d0f", kill_on_drop: false }`
[INFO] [stdout] d478dadf54a96160f988a0251b8146e048a7687b2feedad76b8d79a69c9a3d0f
