[INFO] fetching crate elements-lang 0.2.3...
[INFO] checking elements-lang-0.2.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate elements-lang 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate elements-lang 0.2.3
[INFO] finished tweaking crates.io crate elements-lang 0.2.3
[INFO] tweaked toml for crates.io crate elements-lang 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate elements-lang 0.2.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate elements-lang 0.2.3 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.74
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4821fbafab8a203139a7b1b2f35e3190fe11aad5cc3f157e78f08949e391d853
[INFO] running `Command { std: "docker" "start" "-a" "4821fbafab8a203139a7b1b2f35e3190fe11aad5cc3f157e78f08949e391d853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4821fbafab8a203139a7b1b2f35e3190fe11aad5cc3f157e78f08949e391d853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4821fbafab8a203139a7b1b2f35e3190fe11aad5cc3f157e78f08949e391d853", kill_on_drop: false }`
[INFO] [stdout] 4821fbafab8a203139a7b1b2f35e3190fe11aad5cc3f157e78f08949e391d853
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6442bb55cb3d6b68a1b46b9442d4b3c23a8126fd24dc3423e723184add3c0d6
[INFO] running `Command { std: "docker" "start" "-a" "c6442bb55cb3d6b68a1b46b9442d4b3c23a8126fd24dc3423e723184add3c0d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking elements-lang v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let A = 1.0 + m * m;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let B = 2.0 * (m * n - m * d - c);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let C = c * c + d * d + n * n - 2.0 * n * d - r * r;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:479:13
[INFO] [stdout]     |
[INFO] [stdout] 479 |         let D = B * B - 4.0 * A * C;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let A = 1.0 + m * m;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let B = 2.0 * (m * n - m * d - c);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let C = c * c + d * d + n * n - 2.0 * n * d - r * r;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/lang/functions.rs:479:13
[INFO] [stdout]     |
[INFO] [stdout] 479 |         let D = B * B - 4.0 * A * C;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "c6442bb55cb3d6b68a1b46b9442d4b3c23a8126fd24dc3423e723184add3c0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6442bb55cb3d6b68a1b46b9442d4b3c23a8126fd24dc3423e723184add3c0d6", kill_on_drop: false }`
[INFO] [stdout] c6442bb55cb3d6b68a1b46b9442d4b3c23a8126fd24dc3423e723184add3c0d6