[INFO] fetching crate ksoft 1.1.4...
[INFO] checking ksoft-1.1.4 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate ksoft 1.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ksoft 1.1.4 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ksoft 1.1.4
[INFO] finished tweaking crates.io crate ksoft 1.1.4
[INFO] tweaked toml for crates.io crate ksoft 1.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] d26e3584100ad57db2605902f49f0f042d5fbe715d2689543582d9d9722cc23b
[INFO] running `Command { std: "docker" "start" "-a" "d26e3584100ad57db2605902f49f0f042d5fbe715d2689543582d9d9722cc23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d26e3584100ad57db2605902f49f0f042d5fbe715d2689543582d9d9722cc23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26e3584100ad57db2605902f49f0f042d5fbe715d2689543582d9d9722cc23b", kill_on_drop: false }`
[INFO] [stdout] d26e3584100ad57db2605902f49f0f042d5fbe715d2689543582d9d9722cc23b
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 3db7993865e097034320a56f2ad5dd523ca042bf8dd2a537db7bea5e7d20215f
[INFO] running `Command { std: "docker" "start" "-a" "3db7993865e097034320a56f2ad5dd523ca042bf8dd2a537db7bea5e7d20215f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling ksoft v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.12s
[INFO] running `Command { std: "docker" "inspect" "3db7993865e097034320a56f2ad5dd523ca042bf8dd2a537db7bea5e7d20215f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db7993865e097034320a56f2ad5dd523ca042bf8dd2a537db7bea5e7d20215f", kill_on_drop: false }`
[INFO] [stdout] 3db7993865e097034320a56f2ad5dd523ca042bf8dd2a537db7bea5e7d20215f