[INFO] cloning repository https://github.com/Ryneqq/symbolic_approximation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryneqq/symbolic_approximation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fsymbolic_approximation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fsymbolic_approximation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06cd606dc5c5f05deffa88d43d4ede7e2e3948e4 [INFO] checking Ryneqq/symbolic_approximation against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fsymbolic_approximation" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ryneqq/symbolic_approximation on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryneqq/symbolic_approximation [INFO] finished tweaking git repo https://github.com/Ryneqq/symbolic_approximation [INFO] tweaked toml for git repo https://github.com/Ryneqq/symbolic_approximation written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ryneqq/symbolic_approximation 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded svg v0.7.2 [INFO] [stderr] Downloaded variant_count v1.1.0 [INFO] [stderr] Downloaded plotlib v0.5.1 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa9d0744337c2a3361894fd73512a80591e2c6500b36853c22ba7404d4291c7c [INFO] running `Command { std: "docker" "start" "-a" "aa9d0744337c2a3361894fd73512a80591e2c6500b36853c22ba7404d4291c7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa9d0744337c2a3361894fd73512a80591e2c6500b36853c22ba7404d4291c7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa9d0744337c2a3361894fd73512a80591e2c6500b36853c22ba7404d4291c7c", kill_on_drop: false }` [INFO] [stdout] aa9d0744337c2a3361894fd73512a80591e2c6500b36853c22ba7404d4291c7c [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07aafc0904d58ae82e7814c49f2992e1b33c3269cd256d67358c9869b9424ab4 [INFO] running `Command { std: "docker" "start" "-a" "07aafc0904d58ae82e7814c49f2992e1b33c3269cd256d67358c9869b9424ab4", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking svg v0.7.2 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking prime_store v0.1.0 (/opt/rustwide/workdir/crates/prime_store) [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> crates/prime_store/src/primes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> crates/prime_store/src/primes.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> crates/prime_store/src/primes.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::primes::*` [INFO] [stdout] --> crates/prime_store/src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use self::primes::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> crates/prime_store/src/primes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> crates/prime_store/src/primes.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> crates/prime_store/src/primes.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::primes::*` [INFO] [stdout] --> crates/prime_store/src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use self::primes::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrimeStore` is never constructed [INFO] [stdout] --> crates/prime_store/src/primes.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct PrimeStore { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> crates/prime_store/src/primes.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PrimeStore { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 91 | pub fn new(n: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn is_prime(&self, number: f64) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn into_number(idx: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn prime(idx: usize) -> f64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | fn idx(prime: f64) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | fn iter_primes<'a>(&'a self) -> impl DoubleEndedIterator + 'a { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | fn next_prime(&self, x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | fn previous_prime(&self, x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrimeStore` is never constructed [INFO] [stdout] --> crates/prime_store/src/primes.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct PrimeStore { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> crates/prime_store/src/primes.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PrimeStore { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 91 | pub fn new(n: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn is_prime(&self, number: f64) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn into_number(idx: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn prime(idx: usize) -> f64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | fn idx(prime: f64) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | fn iter_primes<'a>(&'a self) -> impl DoubleEndedIterator + 'a { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | fn next_prime(&self, x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | fn previous_prime(&self, x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling variant_count v1.1.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking plotlib v0.5.1 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling num_enum_derive v0.5.7 [INFO] [stderr] Checking num_enum v0.5.7 [INFO] [stderr] Checking symbols v0.1.0 (/opt/rustwide/workdir/crates/symbols) [INFO] [stdout] warning: unused variable: `equation` [INFO] [stdout] --> crates/symbols/src/fun.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | let (vars, equation) = ( [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_equation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vars` [INFO] [stdout] --> crates/symbols/src/fun.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let vars = vars[1..vars.len()].split(",").map(|var| var.trim()); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_vars` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extract_fun` [INFO] [stdout] --> crates/symbols/src/fun.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let extract_fun = |operator: &str| {}; // this is not the best way i have to match function to the sign [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extract_fun` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `operator` [INFO] [stdout] --> crates/symbols/src/fun.rs:67:28 [INFO] [stdout] | [INFO] [stdout] 67 | let extract_fun = |operator: &str| {}; // this is not the best way i have to match function to the sign [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sequence` is never constructed [INFO] [stdout] --> crates/symbols/src/sequence.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Sequence { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> crates/symbols/src/sequence.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 10 | / impl Sequence [INFO] [stdout] 11 | | where F: FnMut() -> f64 [INFO] [stdout] | |___________________________- associated function in this implementation [INFO] [stdout] 12 | { [INFO] [stdout] 13 | pub fn new(len: usize, f: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sequence` is never used [INFO] [stdout] --> crates/symbols/src/sequence.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn sequence(len: usize) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random` is never used [INFO] [stdout] --> crates/symbols/src/sequence.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn random(mut len: usize) -> impl FnMut() -> f64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `equation` [INFO] [stdout] --> crates/symbols/src/fun.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | let (vars, equation) = ( [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_equation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vars` [INFO] [stdout] --> crates/symbols/src/fun.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let vars = vars[1..vars.len()].split(",").map(|var| var.trim()); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_vars` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extract_fun` [INFO] [stdout] --> crates/symbols/src/fun.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let extract_fun = |operator: &str| {}; // this is not the best way i have to match function to the sign [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extract_fun` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `operator` [INFO] [stdout] --> crates/symbols/src/fun.rs:67:28 [INFO] [stdout] | [INFO] [stdout] 67 | let extract_fun = |operator: &str| {}; // this is not the best way i have to match function to the sign [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bin v0.1.0 (/opt/rustwide/workdir/crates/bin) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> crates/bin/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Phenotype { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 4 | code: Value [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> crates/bin/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Phenotype { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 4 | code: Value [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 4.53s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "07aafc0904d58ae82e7814c49f2992e1b33c3269cd256d67358c9869b9424ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07aafc0904d58ae82e7814c49f2992e1b33c3269cd256d67358c9869b9424ab4", kill_on_drop: false }` [INFO] [stdout] 07aafc0904d58ae82e7814c49f2992e1b33c3269cd256d67358c9869b9424ab4 [INFO] checking Ryneqq/symbolic_approximation against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fsymbolic_approximation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ryneqq/symbolic_approximation on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryneqq/symbolic_approximation [INFO] finished tweaking git repo https://github.com/Ryneqq/symbolic_approximation [INFO] tweaked toml for git repo https://github.com/Ryneqq/symbolic_approximation written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Ryneqq/symbolic_approximation 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eda3931f0a51b0a4ac4057d01aed2d44a1221252dac360eceb0679a99a2ec85 [INFO] running `Command { std: "docker" "start" "-a" "1eda3931f0a51b0a4ac4057d01aed2d44a1221252dac360eceb0679a99a2ec85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eda3931f0a51b0a4ac4057d01aed2d44a1221252dac360eceb0679a99a2ec85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eda3931f0a51b0a4ac4057d01aed2d44a1221252dac360eceb0679a99a2ec85", kill_on_drop: false }` [INFO] [stdout] 1eda3931f0a51b0a4ac4057d01aed2d44a1221252dac360eceb0679a99a2ec85 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 754145f8ad36e276684dd22d9f34eeca158af87c837694abd5656f4453cba2fa [INFO] running `Command { std: "docker" "start" "-a" "754145f8ad36e276684dd22d9f34eeca158af87c837694abd5656f4453cba2fa", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking svg v0.7.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.4/src/inflate/core.rs:1060:9 [INFO] [stdout] | [INFO] [stdout] 1060 | / match state { [INFO] [stdout] 1061 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1062 | | l.bit_buf = 0; [INFO] [stdout] 1063 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1592 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1593 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking object v0.27.1 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "754145f8ad36e276684dd22d9f34eeca158af87c837694abd5656f4453cba2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "754145f8ad36e276684dd22d9f34eeca158af87c837694abd5656f4453cba2fa", kill_on_drop: false }` [INFO] [stdout] 754145f8ad36e276684dd22d9f34eeca158af87c837694abd5656f4453cba2fa