[INFO] fetching crate json-ext 0.3.0...
[INFO] testing json-ext-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate json-ext 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate json-ext 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85eb8ceb371ae4cc3e077d5dda30103a0d7faaec8077b1333d60e33acbcc9beb
[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" "85eb8ceb371ae4cc3e077d5dda30103a0d7faaec8077b1333d60e33acbcc9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85eb8ceb371ae4cc3e077d5dda30103a0d7faaec8077b1333d60e33acbcc9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85eb8ceb371ae4cc3e077d5dda30103a0d7faaec8077b1333d60e33acbcc9beb", kill_on_drop: false }`
[INFO] [stdout] 85eb8ceb371ae4cc3e077d5dda30103a0d7faaec8077b1333d60e33acbcc9beb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 8749b64a1b05f8b387c729c16744a9b0392d7ac160a1872028a6fe81fdc6609a
[INFO] running `Command { std: "docker" "start" "-a" "8749b64a1b05f8b387c729c16744a9b0392d7ac160a1872028a6fe81fdc6609a", kill_on_drop: false }`
[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 1.96s
[INFO] running `Command { std: "docker" "inspect" "8749b64a1b05f8b387c729c16744a9b0392d7ac160a1872028a6fe81fdc6609a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8749b64a1b05f8b387c729c16744a9b0392d7ac160a1872028a6fe81fdc6609a", kill_on_drop: false }`
[INFO] [stdout] 8749b64a1b05f8b387c729c16744a9b0392d7ac160a1872028a6fe81fdc6609a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bc833983f52bee774f3a42782dcd9a87bcb45398a282e4a174c4e268af6f43e
[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" "3bc833983f52bee774f3a42782dcd9a87bcb45398a282e4a174c4e268af6f43e", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "3bc833983f52bee774f3a42782dcd9a87bcb45398a282e4a174c4e268af6f43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc833983f52bee774f3a42782dcd9a87bcb45398a282e4a174c4e268af6f43e", kill_on_drop: false }`
[INFO] [stdout] 3bc833983f52bee774f3a42782dcd9a87bcb45398a282e4a174c4e268af6f43e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 5ef49802346e1c388395de0a12bedddaf6c785c1c7970519b06428a96b813990
[INFO] running `Command { std: "docker" "start" "-a" "5ef49802346e1c388395de0a12bedddaf6c785c1c7970519b06428a96b813990", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_ext-82ea8068c9b80547)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-ext
[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" "5ef49802346e1c388395de0a12bedddaf6c785c1c7970519b06428a96b813990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef49802346e1c388395de0a12bedddaf6c785c1c7970519b06428a96b813990", kill_on_drop: false }`
[INFO] [stdout] 5ef49802346e1c388395de0a12bedddaf6c785c1c7970519b06428a96b813990
