[INFO] fetching crate sj 0.20.0...
[INFO] checking sj-0.20.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate sj 0.20.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sj 0.20.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sj 0.20.0
[INFO] finished tweaking crates.io crate sj 0.20.0
[INFO] tweaked toml for crates.io crate sj 0.20.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38e43e1047c22b8f7257b8bd81ca5188a8628fd9a897d04ea86c22209f1dbfa9
[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" "38e43e1047c22b8f7257b8bd81ca5188a8628fd9a897d04ea86c22209f1dbfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e43e1047c22b8f7257b8bd81ca5188a8628fd9a897d04ea86c22209f1dbfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e43e1047c22b8f7257b8bd81ca5188a8628fd9a897d04ea86c22209f1dbfa9", kill_on_drop: false }`
[INFO] [stdout] 38e43e1047c22b8f7257b8bd81ca5188a8628fd9a897d04ea86c22209f1dbfa9
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--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] 56a016eebad729297494906e46f0168c02ed2b0fd24157f029377ce1b5e48642
[INFO] running `Command { std: "docker" "start" "-a" "56a016eebad729297494906e46f0168c02ed2b0fd24157f029377ce1b5e48642", kill_on_drop: false }`
[INFO] [stderr]     Checking sj v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "56a016eebad729297494906e46f0168c02ed2b0fd24157f029377ce1b5e48642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a016eebad729297494906e46f0168c02ed2b0fd24157f029377ce1b5e48642", kill_on_drop: false }`
[INFO] [stdout] 56a016eebad729297494906e46f0168c02ed2b0fd24157f029377ce1b5e48642