[INFO] fetching crate ezjs 0.1.1...
[INFO] checking ezjs-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ezjs 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ezjs 0.1.1 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 crates.io crate ezjs 0.1.1
[INFO] finished tweaking crates.io crate ezjs 0.1.1
[INFO] tweaked toml for crates.io crate ezjs 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ezjs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 912006e487f02e97e2adda549c222c5b59e45613e5fb7e9fd1552a5a6bc769b0
[INFO] running `Command { std: "docker" "start" "-a" "912006e487f02e97e2adda549c222c5b59e45613e5fb7e9fd1552a5a6bc769b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912006e487f02e97e2adda549c222c5b59e45613e5fb7e9fd1552a5a6bc769b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912006e487f02e97e2adda549c222c5b59e45613e5fb7e9fd1552a5a6bc769b0", kill_on_drop: false }`
[INFO] [stdout] 912006e487f02e97e2adda549c222c5b59e45613e5fb7e9fd1552a5a6bc769b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ad7850e69eb61d7c4e5c2c2c28d662e434801027ecbca699beb9156db6eae56f
[INFO] running `Command { std: "docker" "start" "-a" "ad7850e69eb61d7c4e5c2c2c28d662e434801027ecbca699beb9156db6eae56f", kill_on_drop: false }`
[INFO] [stderr]     Checking ezjs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 |         panic!(err_msg);
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 140 |         panic!("{}", err_msg);
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 |         panic!(err_msg);
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 140 |         panic!("{}", err_msg);
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ast.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |     panic!(format!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line()));
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 438 -     panic!(format!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line()));
[INFO] [stdout] 438 +     panic!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ast.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |     panic!(format!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line()));
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 438 -     panic!(format!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line()));
[INFO] [stdout] 438 +     panic!("unexpected token in expression: {:?} @ {}", lookahead, tkr.line());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]    --> src/runtime.rs:477:7
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_nan_comparisons)]` on by default
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 477 +             if x.is_nan() || y == f64::NAN {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]    --> src/runtime.rs:477:24
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 477 +             if x == f64::NAN || y.is_nan() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]    --> src/runtime.rs:477:7
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_nan_comparisons)]` on by default
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 477 +             if x.is_nan() || y == f64::NAN {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]    --> src/runtime.rs:477:24
[INFO] [stdout]     |
[INFO] [stdout] 477 |             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]     |
[INFO] [stdout] 477 -             if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 477 +             if x == f64::NAN || y.is_nan() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1155:8
[INFO] [stdout]      |
[INFO] [stdout] 1155 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1155 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1155 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1155:25
[INFO] [stdout]      |
[INFO] [stdout] 1155 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1155 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1155 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1171:8
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1171 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1171 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1171:25
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1171 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1171 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1187:8
[INFO] [stdout]      |
[INFO] [stdout] 1187 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1187 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1187 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1187:25
[INFO] [stdout]      |
[INFO] [stdout] 1187 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1187 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1187 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1271:8
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1271 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1271 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1271:25
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1271 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1271 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1285:8
[INFO] [stdout]      |
[INFO] [stdout] 1285 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1285 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1285 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1155:8
[INFO] [stdout]      |
[INFO] [stdout] 1155 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1155 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1155 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1285:25
[INFO] [stdout]      |
[INFO] [stdout] 1285 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1285 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1285 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1299:8
[INFO] [stdout]      |
[INFO] [stdout] 1299 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1299 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1299 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1155:25
[INFO] [stdout]      |
[INFO] [stdout] 1155 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1155 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1155 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1299:25
[INFO] [stdout]      |
[INFO] [stdout] 1299 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1299 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1299 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1171:8
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1171 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1171 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1171:25
[INFO] [stdout]      |
[INFO] [stdout] 1171 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1171 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1171 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1187:8
[INFO] [stdout]      |
[INFO] [stdout] 1187 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1187 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1187 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1187:25
[INFO] [stdout]      |
[INFO] [stdout] 1187 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1187 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1187 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1271:8
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1271 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1271 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1271:25
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1271 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1271 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1285:8
[INFO] [stdout]      |
[INFO] [stdout] 1285 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1285 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1285 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1285:25
[INFO] [stdout]      |
[INFO] [stdout] 1285 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1285 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1285 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1299:8
[INFO] [stdout]      |
[INFO] [stdout] 1299 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1299 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1299 +                 if x.is_nan() || y == f64::NAN {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: incorrect NaN comparison, NaN cannot be directly compared to itself
[INFO] [stdout]     --> src/runtime.rs:1299:25
[INFO] [stdout]      |
[INFO] [stdout] 1299 |                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `f32::is_nan()` or `f64::is_nan()` instead
[INFO] [stdout]      |
[INFO] [stdout] 1299 -                 if x == f64::NAN || y == f64::NAN {
[INFO] [stdout] 1299 +                 if x == f64::NAN || y.is_nan() {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ezjs` is imported redundantly
[INFO] [stdout]  --> src/bin/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ezjs;
[INFO] [stdout]   |     ^^^^ the item `ezjs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ezjs` is imported redundantly
[INFO] [stdout]  --> src/bin/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ezjs;
[INFO] [stdout]   |     ^^^^ the item `ezjs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "ad7850e69eb61d7c4e5c2c2c28d662e434801027ecbca699beb9156db6eae56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7850e69eb61d7c4e5c2c2c28d662e434801027ecbca699beb9156db6eae56f", kill_on_drop: false }`
[INFO] [stdout] ad7850e69eb61d7c4e5c2c2c28d662e434801027ecbca699beb9156db6eae56f
[INFO] checking ezjs-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ezjs 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ezjs 0.1.1 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 crates.io crate ezjs 0.1.1
[INFO] finished tweaking crates.io crate ezjs 0.1.1
[INFO] tweaked toml for crates.io crate ezjs 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ezjs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b30238ca1a95bde249773b380f706f9b6dc2ad6f4686b876685c1227bccebe68
[INFO] running `Command { std: "docker" "start" "-a" "b30238ca1a95bde249773b380f706f9b6dc2ad6f4686b876685c1227bccebe68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30238ca1a95bde249773b380f706f9b6dc2ad6f4686b876685c1227bccebe68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30238ca1a95bde249773b380f706f9b6dc2ad6f4686b876685c1227bccebe68", kill_on_drop: false }`
[INFO] [stdout] b30238ca1a95bde249773b380f706f9b6dc2ad6f4686b876685c1227bccebe68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 895e227cd1f55a531bf0aa0767a68f24fb561fc4997ff6126527c5aa5da37ebd
[INFO] running `Command { std: "docker" "start" "-a" "895e227cd1f55a531bf0aa0767a68f24fb561fc4997ff6126527c5aa5da37ebd", kill_on_drop: false }`
[INFO] [stderr]     Checking ezjs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/runtime.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | /             if let Some((new_pc, new_top)) = catch_scopes.pop() {
[INFO] [stdout] 790 | |                 let dropped = rt.stack.len() - new_top;
[INFO] [stdout] 791 | |                 rt.pop(dropped);
[INFO] [stdout] ...   |
[INFO] [stdout] 798 | |                 break;
[INFO] [stdout] 799 | |             }
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 895 |                   handle_exception!(excp);
[INFO] [stdout]     |                   ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `handle_exception` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/runtime.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | /             if let Some((new_pc, new_top)) = catch_scopes.pop() {
[INFO] [stdout] 790 | |                 let dropped = rt.stack.len() - new_top;
[INFO] [stdout] 791 | |                 rt.pop(dropped);
[INFO] [stdout] ...   |
[INFO] [stdout] 798 | |                 break;
[INFO] [stdout] 799 | |             }
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 895 |                   handle_exception!(excp);
[INFO] [stdout]     |                   ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `handle_exception` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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 `ezjs` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `ezjs` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "895e227cd1f55a531bf0aa0767a68f24fb561fc4997ff6126527c5aa5da37ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895e227cd1f55a531bf0aa0767a68f24fb561fc4997ff6126527c5aa5da37ebd", kill_on_drop: false }`
[INFO] [stdout] 895e227cd1f55a531bf0aa0767a68f24fb561fc4997ff6126527c5aa5da37ebd