[INFO] fetching crate gtag-js 0.2.0...
[INFO] testing gtag-js-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gtag-js 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gtag-js 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gtag-js 0.2.0
[INFO] finished tweaking crates.io crate gtag-js 0.2.0
[INFO] tweaked toml for crates.io crate gtag-js 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gtag-js-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca75f990f115df21ce1f4becccdc143e2e18f828605c2c6bf7736418eae0d9ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca75f990f115df21ce1f4becccdc143e2e18f828605c2c6bf7736418eae0d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca75f990f115df21ce1f4becccdc143e2e18f828605c2c6bf7736418eae0d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca75f990f115df21ce1f4becccdc143e2e18f828605c2c6bf7736418eae0d9ce", kill_on_drop: false }`
[INFO] [stdout] ca75f990f115df21ce1f4becccdc143e2e18f828605c2c6bf7736418eae0d9ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42e9b7d0e917e25fe6fc33a1a03a2d481f398ec062ff531e0e4790cfcc162c2c
[INFO] running `Command { std: "docker" "start" "-a" "42e9b7d0e917e25fe6fc33a1a03a2d481f398ec062ff531e0e4790cfcc162c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling gtag-js-sys v0.2.0
[INFO] [stderr]    Compiling gtag-js v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "42e9b7d0e917e25fe6fc33a1a03a2d481f398ec062ff531e0e4790cfcc162c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e9b7d0e917e25fe6fc33a1a03a2d481f398ec062ff531e0e4790cfcc162c2c", kill_on_drop: false }`
[INFO] [stdout] 42e9b7d0e917e25fe6fc33a1a03a2d481f398ec062ff531e0e4790cfcc162c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e016d0d9ade6091fe26c688c4815be0d1a6730b36bad5da642b088abac18b0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e016d0d9ade6091fe26c688c4815be0d1a6730b36bad5da642b088abac18b0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gtag-js v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "9e016d0d9ade6091fe26c688c4815be0d1a6730b36bad5da642b088abac18b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e016d0d9ade6091fe26c688c4815be0d1a6730b36bad5da642b088abac18b0d", kill_on_drop: false }`
[INFO] [stdout] 9e016d0d9ade6091fe26c688c4815be0d1a6730b36bad5da642b088abac18b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bd206758a5c158f22bc1352c798d788555bbba8a7d3b7af2a79008e438e84fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8bd206758a5c158f22bc1352c798d788555bbba8a7d3b7af2a79008e438e84fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gtag_js-9147ab3ef0bc99d1
[INFO] [stderr]    Doc-tests gtag-js
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - DataLayer::push (line 47) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - DataLayer::push (line 39) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DataLayer::push (line 47) stdout ----
[INFO] [stdout] error: cannot find macro `json` in this scope
[INFO] [stdout]  --> src/lib.rs:48:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | json!({
[INFO] [stdout]   | ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           serde_json::json
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DataLayer::push (line 39) stdout ----
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]  --> src/lib.rs:40:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Serialize)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - DataLayer::push (line 39)
[INFO] [stdout]     src/lib.rs - DataLayer::push (line 47)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bd206758a5c158f22bc1352c798d788555bbba8a7d3b7af2a79008e438e84fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd206758a5c158f22bc1352c798d788555bbba8a7d3b7af2a79008e438e84fe", kill_on_drop: false }`
[INFO] [stdout] 8bd206758a5c158f22bc1352c798d788555bbba8a7d3b7af2a79008e438e84fe