[INFO] fetching crate mech-utilities 0.2.2... [INFO] checking mech-utilities-0.2.2 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749 [INFO] extracting crate mech-utilities 0.2.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate mech-utilities 0.2.2 [INFO] finished tweaking crates.io crate mech-utilities 0.2.2 [INFO] tweaked toml for crates.io crate mech-utilities 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mech-utilities 0.2.2 on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 139 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.14.5 (available: v0.17.1) [INFO] [stderr] Adding mech-core v0.2.75 (available: v0.3.5) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding websocket v0.26.5 (available: v0.27.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6 [INFO] running `Command { std: "docker" "start" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Compiling libm v0.2.16 [INFO] [stderr] Checking tinyvec v1.11.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v2.0.118 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Checking alloc-stdlib v0.2.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking bytecount v0.6.9 [INFO] [stderr] Compiling virtue v0.0.18 [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] Checking base64 v0.9.3 [INFO] [stderr] Checking brotli-decompressor v5.0.3 [INFO] [stderr] Checking safe_arch v0.7.4 [INFO] [stderr] Checking papergrid v0.17.0 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking testing_table v0.3.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking traitobject v0.1.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking memchr v2.8.2 [INFO] [stderr] Checking unty v0.0.4 [INFO] [stderr] Checking once_cell v1.21.4 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking indexmap v2.14.0 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Checking inventory v0.3.24 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking unicode-normalization v0.1.25 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Checking serde_json v1.0.150 [INFO] [stderr] Checking brotli v8.0.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking websocket-base v0.26.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking simba v0.9.1 [INFO] [stderr] Checking websocket v0.26.5 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling nalgebra-macros v0.3.0 [INFO] [stderr] Compiling tabled_derive v0.11.0 [INFO] [stderr] Checking tabled v0.20.0 [INFO] [stderr] Checking nalgebra v0.34.2 [INFO] [stderr] Checking bincode v2.0.1 [INFO] [stderr] Checking mech-core v0.2.75 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(box_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in CURRENT_RUSTC_VERSION [INFO] [stdout] = note: superseded by `deref_patterns` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:279:15 [INFO] [stdout] | [INFO] [stdout] 279 | (Matrix(box a, ashape), Matrix(box b, bshape)) if ashape.into_iter().product::() == bshape.into_iter().product:: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:279:38 [INFO] [stdout] | [INFO] [stdout] 279 | (Matrix(box a, ashape), Matrix(box b, bshape)) if ashape.into_iter().product::() == bshape.into_iter().product:: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:282:15 [INFO] [stdout] | [INFO] [stdout] 282 | (Option(box a), Option(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:282:30 [INFO] [stdout] | [INFO] [stdout] 282 | (Option(box a), Option(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:285:18 [INFO] [stdout] | [INFO] [stdout] 285 | (Reference(box a), Reference(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:285:36 [INFO] [stdout] | [INFO] [stdout] 285 | (Reference(box a), Reference(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:291:12 [INFO] [stdout] | [INFO] [stdout] 291 | (Set(box a, _), Set(box b, _)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:291:27 [INFO] [stdout] | [INFO] [stdout] 291 | (Set(box a, _), Set(box b, _)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:12 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:20 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:33 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_patterns` have been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:41 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `a` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:279:139 [INFO] [stdout] | [INFO] [stdout] 279 | ...ize>() == bshape.into_iter().product::() && a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `b` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:279:159 [INFO] [stdout] | [INFO] [stdout] 279 | ...o_iter().product::() && a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `a` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:282:41 [INFO] [stdout] | [INFO] [stdout] 282 | (Option(box a), Option(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `b` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:282:61 [INFO] [stdout] | [INFO] [stdout] 282 | (Option(box a), Option(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `a` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:285:47 [INFO] [stdout] | [INFO] [stdout] 285 | (Reference(box a), Reference(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `b` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:285:67 [INFO] [stdout] | [INFO] [stdout] 285 | (Reference(box a), Reference(box b)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `a` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:291:41 [INFO] [stdout] | [INFO] [stdout] 291 | (Set(box a, _), Set(box b, _)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `b` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:291:61 [INFO] [stdout] | [INFO] [stdout] 291 | (Set(box a, _), Set(box b, _)) if a.is_convertible_to(b) => true, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `ak` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:53 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] --> /rustc/163937523761cc0def32f1ba9ed63fdf65ad3478/library/core/src/result.rs:561:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named tuple variant `Ok` defined here [INFO] [stdout] help: a tuple variant with a similar name exists [INFO] [stdout] | [INFO] [stdout] 294 - (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] 294 + (Map(box ak, box av), Map(box bk, box bv)) if Ok.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `bk` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:74 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] --> /rustc/163937523761cc0def32f1ba9ed63fdf65ad3478/library/core/src/result.rs:561:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named tuple variant `Ok` defined here [INFO] [stdout] help: a tuple variant with a similar name exists [INFO] [stdout] | [INFO] [stdout] 294 - (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] 294 + (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(Ok) && av.is_convertible_to(bv) => true, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `av` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:81 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `bv` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mech-core-0.2.75/src/value.rs:294:102 [INFO] [stdout] | [INFO] [stdout] 294 | (Map(box ak, box av), Map(box bk, box bv)) if ak.is_convertible_to(bk) && av.is_convertible_to(bv) => true, [INFO] [stdout] | ^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mech-core` (lib) due to 25 previous errors [INFO] running `Command { std: "docker" "inspect" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6", kill_on_drop: false }` [INFO] [stdout] f77c060c5aa7119f91c117239fa669793a7e4f04223ad5d6c8976d740827a8a6