[INFO] fetching crate json-ext 0.3.0...
[INFO] testing json-ext-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate json-ext 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate json-ext 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-ext 0.3.0
[INFO] finished tweaking crates.io crate json-ext 0.3.0
[INFO] tweaked toml for crates.io crate json-ext 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4527637ad3cf59387a41e0ca0b78684732c0ac409e07c32f4793d9ad0005914
[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" "d4527637ad3cf59387a41e0ca0b78684732c0ac409e07c32f4793d9ad0005914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4527637ad3cf59387a41e0ca0b78684732c0ac409e07c32f4793d9ad0005914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4527637ad3cf59387a41e0ca0b78684732c0ac409e07c32f4793d9ad0005914", kill_on_drop: false }`
[INFO] [stdout] d4527637ad3cf59387a41e0ca0b78684732c0ac409e07c32f4793d9ad0005914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18626c1ed5f138d8068d90680467579bd4de09638ba3c57c1570853b2efef13
[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" "d18626c1ed5f138d8068d90680467579bd4de09638ba3c57c1570853b2efef13", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.49s
[INFO] running `Command { std: "docker" "inspect" "d18626c1ed5f138d8068d90680467579bd4de09638ba3c57c1570853b2efef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18626c1ed5f138d8068d90680467579bd4de09638ba3c57c1570853b2efef13", kill_on_drop: false }`
[INFO] [stdout] d18626c1ed5f138d8068d90680467579bd4de09638ba3c57c1570853b2efef13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b135c4a37a5d2a5185fe99538c2b55486045666dddc7002308cb20fa76cd6262
[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" "b135c4a37a5d2a5185fe99538c2b55486045666dddc7002308cb20fa76cd6262", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "b135c4a37a5d2a5185fe99538c2b55486045666dddc7002308cb20fa76cd6262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b135c4a37a5d2a5185fe99538c2b55486045666dddc7002308cb20fa76cd6262", kill_on_drop: false }`
[INFO] [stdout] b135c4a37a5d2a5185fe99538c2b55486045666dddc7002308cb20fa76cd6262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] ed5c84517062e5358cae8e128038a7872dfbaf7264b8190fc3b2083a95166d93
[INFO] running `Command { std: "docker" "start" "-a" "ed5c84517062e5358cae8e128038a7872dfbaf7264b8190fc3b2083a95166d93", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_ext-6891aab88a822348)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests json-ext
[INFO] [stdout] test object::test::json ... ok
[INFO] [stdout] test object::test::try_from_and_try_into ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "ed5c84517062e5358cae8e128038a7872dfbaf7264b8190fc3b2083a95166d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5c84517062e5358cae8e128038a7872dfbaf7264b8190fc3b2083a95166d93", kill_on_drop: false }`
[INFO] [stdout] ed5c84517062e5358cae8e128038a7872dfbaf7264b8190fc3b2083a95166d93