[INFO] cloning repository https://github.com/iopsystems/to_js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iopsystems/to_js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiopsystems%2Fto_js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiopsystems%2Fto_js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a69b07260d8b1bc05de5a6fe2ebbdb084301a263
[INFO] checking iopsystems/to_js against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiopsystems%2Fto_js" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iopsystems/to_js on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iopsystems/to_js
[INFO] finished tweaking git repo https://github.com/iopsystems/to_js
[INFO] tweaked toml for git repo https://github.com/iopsystems/to_js written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iopsystems/to_js 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" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f77e7ddef5bbe3e8956169e270ab6b53501b2d3650a3eba5a1cf33d08b13e401
[INFO] running `Command { std: "docker" "start" "-a" "f77e7ddef5bbe3e8956169e270ab6b53501b2d3650a3eba5a1cf33d08b13e401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f77e7ddef5bbe3e8956169e270ab6b53501b2d3650a3eba5a1cf33d08b13e401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77e7ddef5bbe3e8956169e270ab6b53501b2d3650a3eba5a1cf33d08b13e401", kill_on_drop: false }`
[INFO] [stdout] f77e7ddef5bbe3e8956169e270ab6b53501b2d3650a3eba5a1cf33d08b13e401
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68086dab7abf08f37c34108dbb16879850c8d41ef46c5b3cc64570c08951ed14
[INFO] running `Command { std: "docker" "start" "-a" "68086dab7abf08f37c34108dbb16879850c8d41ef46c5b3cc64570c08951ed14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling js_proc_macro v0.1.0 (/opt/rustwide/workdir/js_proc_macro)
[INFO] [stderr]     Checking to_js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]   --> src/types/json.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(x: &impl serde::Serialize) -> Json {
[INFO] [stdout]    |                         ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/types/json.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let s = serde_json::to_string(x).expect("JSON serialization failed");
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `to_js` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]   --> src/types/json.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(x: &impl serde::Serialize) -> Json {
[INFO] [stdout]    |                         ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/types/json.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let s = serde_json::to_string(x).expect("JSON serialization failed");
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `to_js` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "68086dab7abf08f37c34108dbb16879850c8d41ef46c5b3cc64570c08951ed14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68086dab7abf08f37c34108dbb16879850c8d41ef46c5b3cc64570c08951ed14", kill_on_drop: false }`
[INFO] [stdout] 68086dab7abf08f37c34108dbb16879850c8d41ef46c5b3cc64570c08951ed14