[INFO] fetching crate cargo-wgsl 0.0.4...
[INFO] checking cargo-wgsl-0.0.4 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate cargo-wgsl 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-wgsl 0.0.4 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-wgsl 0.0.4
[INFO] finished tweaking crates.io crate cargo-wgsl 0.0.4
[INFO] tweaked toml for crates.io crate cargo-wgsl 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-wgsl 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86bf04c9a1510078199b801926b3b95426496530fca1eb9bc74d2f81236df6e0
[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" "86bf04c9a1510078199b801926b3b95426496530fca1eb9bc74d2f81236df6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86bf04c9a1510078199b801926b3b95426496530fca1eb9bc74d2f81236df6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bf04c9a1510078199b801926b3b95426496530fca1eb9bc74d2f81236df6e0", kill_on_drop: false }`
[INFO] [stdout] 86bf04c9a1510078199b801926b3b95426496530fca1eb9bc74d2f81236df6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a6035c5c37227d8ac6535055f9eb1ced09794a7057619086f4a7bc84178376
[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" "39a6035c5c37227d8ac6535055f9eb1ced09794a7057619086f4a7bc84178376", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking naga v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking jsonrpc-core v17.0.0
[INFO] [stderr]     Checking jsonrpc-stdio-server v17.0.0
[INFO] [stderr]     Checking cargo-wgsl v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "39a6035c5c37227d8ac6535055f9eb1ced09794a7057619086f4a7bc84178376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a6035c5c37227d8ac6535055f9eb1ced09794a7057619086f4a7bc84178376", kill_on_drop: false }`
[INFO] [stdout] 39a6035c5c37227d8ac6535055f9eb1ced09794a7057619086f4a7bc84178376