[INFO] fetching crate wraptest 0.2.1...
[INFO] checking wraptest-0.2.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate wraptest 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wraptest 0.2.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wraptest 0.2.1
[INFO] finished tweaking crates.io crate wraptest 0.2.1
[INFO] tweaked toml for crates.io crate wraptest 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] f8e3d22bb4d25543a8d02a8a8d8fc7a1e12e53ccbf63ce8032cc4531f1cd8e20
[INFO] running `Command { std: "docker" "start" "-a" "f8e3d22bb4d25543a8d02a8a8d8fc7a1e12e53ccbf63ce8032cc4531f1cd8e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e3d22bb4d25543a8d02a8a8d8fc7a1e12e53ccbf63ce8032cc4531f1cd8e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e3d22bb4d25543a8d02a8a8d8fc7a1e12e53ccbf63ce8032cc4531f1cd8e20", kill_on_drop: false }`
[INFO] [stdout] f8e3d22bb4d25543a8d02a8a8d8fc7a1e12e53ccbf63ce8032cc4531f1cd8e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 39f272cf3b5e13edc05bcac5ad8e0d1c11d86c77b5f1ddf3e87b43124e3dfb1d
[INFO] running `Command { std: "docker" "start" "-a" "39f272cf3b5e13edc05bcac5ad8e0d1c11d86c77b5f1ddf3e87b43124e3dfb1d", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling wraptest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "39f272cf3b5e13edc05bcac5ad8e0d1c11d86c77b5f1ddf3e87b43124e3dfb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f272cf3b5e13edc05bcac5ad8e0d1c11d86c77b5f1ddf3e87b43124e3dfb1d", kill_on_drop: false }`
[INFO] [stdout] 39f272cf3b5e13edc05bcac5ad8e0d1c11d86c77b5f1ddf3e87b43124e3dfb1d