[INFO] fetching crate gcemeta 0.2.2...
[INFO] checking gcemeta-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate gcemeta 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gcemeta 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gcemeta 0.2.2
[INFO] finished tweaking crates.io crate gcemeta 0.2.2
[INFO] tweaked toml for crates.io crate gcemeta 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate gcemeta 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1be1f796c91eab77f8a6448490a934d5de998db688eee5a7471a1a4837b02343
[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" "1be1f796c91eab77f8a6448490a934d5de998db688eee5a7471a1a4837b02343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be1f796c91eab77f8a6448490a934d5de998db688eee5a7471a1a4837b02343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be1f796c91eab77f8a6448490a934d5de998db688eee5a7471a1a4837b02343", kill_on_drop: false }`
[INFO] [stdout] 1be1f796c91eab77f8a6448490a934d5de998db688eee5a7471a1a4837b02343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] e3f8c9342a2946300f29da01effe330326dc430ac87e98769f873ea56f47ce8c
[INFO] running `Command { std: "docker" "start" "-a" "e3f8c9342a2946300f29da01effe330326dc430ac87e98769f873ea56f47ce8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.24
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking gcemeta v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.74s
[INFO] running `Command { std: "docker" "inspect" "e3f8c9342a2946300f29da01effe330326dc430ac87e98769f873ea56f47ce8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f8c9342a2946300f29da01effe330326dc430ac87e98769f873ea56f47ce8c", kill_on_drop: false }`
[INFO] [stdout] e3f8c9342a2946300f29da01effe330326dc430ac87e98769f873ea56f47ce8c