[INFO] fetching crate rill 0.21.0...
[INFO] checking rill-0.21.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rill 0.21.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rill 0.21.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rill 0.21.0
[INFO] finished tweaking crates.io crate rill 0.21.0
[INFO] tweaked toml for crates.io crate rill 0.21.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a4da8dd5fefc731be94a1c606210865ca959f86b12be9b6e4c2ef6a8002f58c
[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" "4a4da8dd5fefc731be94a1c606210865ca959f86b12be9b6e4c2ef6a8002f58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4da8dd5fefc731be94a1c606210865ca959f86b12be9b6e4c2ef6a8002f58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4da8dd5fefc731be94a1c606210865ca959f86b12be9b6e4c2ef6a8002f58c", kill_on_drop: false }`
[INFO] [stdout] 4a4da8dd5fefc731be94a1c606210865ca959f86b12be9b6e4c2ef6a8002f58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac62f1f330fbf8282eeae775801c000201aad52785395a5562900c5e034cf71
[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" "dac62f1f330fbf8282eeae775801c000201aad52785395a5562900c5e034cf71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tokio v1.10.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking meio v0.82.0
[INFO] [stderr]     Checking meio-protocol v0.82.0
[INFO] [stderr]     Checking serde_qs v0.8.4
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking rill-protocol v0.21.0
[INFO] [stderr]     Checking meio-connect v0.82.0
[INFO] [stderr]     Checking rill v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.55s
[INFO] running `Command { std: "docker" "inspect" "dac62f1f330fbf8282eeae775801c000201aad52785395a5562900c5e034cf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac62f1f330fbf8282eeae775801c000201aad52785395a5562900c5e034cf71", kill_on_drop: false }`
[INFO] [stdout] dac62f1f330fbf8282eeae775801c000201aad52785395a5562900c5e034cf71