[INFO] fetching crate fermat 0.1.1...
[INFO] checking fermat-0.1.1 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate fermat 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fermat 0.1.1
[INFO] finished tweaking crates.io crate fermat 0.1.1
[INFO] tweaked toml for crates.io crate fermat 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fermat 0.1.1 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fermat 0.1.1 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39743c096b950f69aa15dce5e07a95f04a623bdff5ebd03ed29f2fac1e24de6b
[INFO] running `Command { std: "docker" "start" "-a" "39743c096b950f69aa15dce5e07a95f04a623bdff5ebd03ed29f2fac1e24de6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39743c096b950f69aa15dce5e07a95f04a623bdff5ebd03ed29f2fac1e24de6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39743c096b950f69aa15dce5e07a95f04a623bdff5ebd03ed29f2fac1e24de6b", kill_on_drop: false }`
[INFO] [stdout] 39743c096b950f69aa15dce5e07a95f04a623bdff5ebd03ed29f2fac1e24de6b
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d7734f7811887f1dc9eaded60e23c01fdcc704a7cbd33a3fd5684ca2567b61
[INFO] running `Command { std: "docker" "start" "-a" "26d7734f7811887f1dc9eaded60e23c01fdcc704a7cbd33a3fd5684ca2567b61", kill_on_drop: false }`
[INFO] [stderr]     Checking fermat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/geometry/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use shapes::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `area_triangle_heron` in the value namespace is first re-exported here
[INFO] [stdout] 13 | pub use trigonometry::*;
[INFO] [stdout]    |         --------------- but the name `area_triangle_heron` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]    = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use algebra::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `product_rule` in the value namespace is first re-exported here
[INFO] [stdout] 14 | pub use arithmetic::*;
[INFO] [stdout] 15 | pub use calculus::*;
[INFO] [stdout]    |         ----------- but the name `product_rule` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use algebra::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `quotient_rule` in the value namespace is first re-exported here
[INFO] [stdout] 14 | pub use arithmetic::*;
[INFO] [stdout] 15 | pub use calculus::*;
[INFO] [stdout]    |         ----------- but the name `quotient_rule` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/geometry/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use shapes::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `area_triangle_heron` in the value namespace is first re-exported here
[INFO] [stdout] 13 | pub use trigonometry::*;
[INFO] [stdout]    |         --------------- but the name `area_triangle_heron` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]    = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use algebra::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `product_rule` in the value namespace is first re-exported here
[INFO] [stdout] 14 | pub use arithmetic::*;
[INFO] [stdout] 15 | pub use calculus::*;
[INFO] [stdout]    |         ----------- but the name `product_rule` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use algebra::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `quotient_rule` in the value namespace is first re-exported here
[INFO] [stdout] 14 | pub use arithmetic::*;
[INFO] [stdout] 15 | pub use calculus::*;
[INFO] [stdout]    |         ----------- but the name `quotient_rule` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g_squared`
[INFO] [stdout]    --> src/calculus/derivatives.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let g_squared = multiply_polynomials(g, g);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_squared`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/calculus/derivatives.rs:170:35
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn compose_polynomials(f: &[f64], g: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fermat` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `g_squared`
[INFO] [stdout]    --> src/calculus/derivatives.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let g_squared = multiply_polynomials(g, g);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_g_squared`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/calculus/derivatives.rs:170:35
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn compose_polynomials(f: &[f64], g: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p_a`
[INFO] [stdout]    --> src/statistics/probability.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let p_a = probability(10, 50); // 10 out of 50 are A
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_p_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fermat` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "26d7734f7811887f1dc9eaded60e23c01fdcc704a7cbd33a3fd5684ca2567b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d7734f7811887f1dc9eaded60e23c01fdcc704a7cbd33a3fd5684ca2567b61", kill_on_drop: false }`
[INFO] [stdout] 26d7734f7811887f1dc9eaded60e23c01fdcc704a7cbd33a3fd5684ca2567b61