[INFO] cloning repository https://github.com/dnined/d9d_c3c3
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnined/d9d_c3c3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnined%2Fd9d_c3c3"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnined%2Fd9d_c3c3'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 169be0b09593cfbdc90540ed800a87222618ae48
[INFO] checking dnined/d9d_c3c3 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnined%2Fd9d_c3c3" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnined/d9d_c3c3 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dnined/d9d_c3c3
[INFO] finished tweaking git repo https://github.com/dnined/d9d_c3c3
[INFO] tweaked toml for git repo https://github.com/dnined/d9d_c3c3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dnined/d9d_c3c3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f728b307b5d8d81fb652f58005ee2509054d51b32f185bfa0ae771ecde9bd6e
[INFO] running `"docker" "start" "-a" "7f728b307b5d8d81fb652f58005ee2509054d51b32f185bfa0ae771ecde9bd6e"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking headers-core v0.1.0
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking warp v0.1.15
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking d9d_c3c3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/sys.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     id: ProcessID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/sys.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     id: ProcessID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "7f728b307b5d8d81fb652f58005ee2509054d51b32f185bfa0ae771ecde9bd6e"`
[INFO] running `"docker" "rm" "-f" "7f728b307b5d8d81fb652f58005ee2509054d51b32f185bfa0ae771ecde9bd6e"`
[INFO] [stdout] 7f728b307b5d8d81fb652f58005ee2509054d51b32f185bfa0ae771ecde9bd6e