[INFO] fetching crate json-codec 0.5.0...
[INFO] checking json-codec-0.5.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate json-codec 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate json-codec 0.5.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-codec 0.5.0
[INFO] finished tweaking crates.io crate json-codec 0.5.0
[INFO] tweaked toml for crates.io crate json-codec 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d97c6f208f133da4ae89374ada1584d8b30dd2f2b63fade2d10e0ec412160e4d
[INFO] running `Command { std: "docker" "start" "-a" "d97c6f208f133da4ae89374ada1584d8b30dd2f2b63fade2d10e0ec412160e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97c6f208f133da4ae89374ada1584d8b30dd2f2b63fade2d10e0ec412160e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97c6f208f133da4ae89374ada1584d8b30dd2f2b63fade2d10e0ec412160e4d", kill_on_drop: false }`
[INFO] [stdout] d97c6f208f133da4ae89374ada1584d8b30dd2f2b63fade2d10e0ec412160e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcc31d59124f15d321743f2ca0cf15b423da227a180fcc011bcf0339e9735be0
[INFO] running `Command { std: "docker" "start" "-a" "dcc31d59124f15d321743f2ca0cf15b423da227a180fcc011bcf0339e9735be0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking json-codec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:131:16
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn gen_json<G: Gen>(level: u16, g: &mut G) -> Json {
[INFO] [stdout]     |                ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn gen_array<G: Gen>(level: u16, g: &mut G) -> Vec<Json> {
[INFO] [stdout]     |                 ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn gen_object<G: Gen>(level: u16, g: &mut G) -> HashMap<String, Json> {
[INFO] [stdout]     |                  ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn arbitrary<G: Gen>(g: &mut G) -> SomeJson {
[INFO] [stdout]     |                     ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `arbitrary` has 1 type parameter but its trait declaration has 0 type parameters
[INFO] [stdout]    --> tests/properties.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn arbitrary<G: Gen>(g: &mut G) -> SomeJson {
[INFO] [stdout]     |                  ^ found 1 type parameter
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quickcheck-1.0.3/src/arbitrary.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn arbitrary(g: &mut Gen) -> Self;
[INFO] [stdout]     |     ---------------------------------- expected 0 type parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0049, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0049`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-codec` (test "properties") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dcc31d59124f15d321743f2ca0cf15b423da227a180fcc011bcf0339e9735be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc31d59124f15d321743f2ca0cf15b423da227a180fcc011bcf0339e9735be0", kill_on_drop: false }`
[INFO] [stdout] dcc31d59124f15d321743f2ca0cf15b423da227a180fcc011bcf0339e9735be0