[INFO] fetching crate jfmt 1.0.1...
[INFO] checking jfmt-1.0.1 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate jfmt 1.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate jfmt 1.0.1 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jfmt 1.0.1
[INFO] finished tweaking crates.io crate jfmt 1.0.1
[INFO] tweaked toml for crates.io crate jfmt 1.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate jfmt 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", 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] 6b213b18ab221cde8f4d2f57c5b3b9179e7ec30e605261fea8475325b375b0da
[INFO] running `Command { std: "docker" "start" "-a" "6b213b18ab221cde8f4d2f57c5b3b9179e7ec30e605261fea8475325b375b0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b213b18ab221cde8f4d2f57c5b3b9179e7ec30e605261fea8475325b375b0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b213b18ab221cde8f4d2f57c5b3b9179e7ec30e605261fea8475325b375b0da", kill_on_drop: false }`
[INFO] [stdout] 6b213b18ab221cde8f4d2f57c5b3b9179e7ec30e605261fea8475325b375b0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f33287646c7e969d3e1a3bfa2c8f25656125bc5d79855cd72058d2fb78818ae
[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" "9f33287646c7e969d3e1a3bfa2c8f25656125bc5d79855cd72058d2fb78818ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking jfmt v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "9f33287646c7e969d3e1a3bfa2c8f25656125bc5d79855cd72058d2fb78818ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f33287646c7e969d3e1a3bfa2c8f25656125bc5d79855cd72058d2fb78818ae", kill_on_drop: false }`
[INFO] [stdout] 9f33287646c7e969d3e1a3bfa2c8f25656125bc5d79855cd72058d2fb78818ae