[INFO] fetching crate hektor 0.2.2...
[INFO] checking hektor-0.2.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate hektor 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hektor 0.2.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hektor 0.2.2
[INFO] finished tweaking crates.io crate hektor 0.2.2
[INFO] tweaked toml for crates.io crate hektor 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate hektor 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded mint v0.5.1
[INFO] [stderr]   Downloaded getrandom v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded lokacore v0.1.5
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded randomize v3.0.0-rc.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef0652365f58c45323c5d5c8c68e460cd07020e636de3558c1afbfb7bcb62a66
[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" "ef0652365f58c45323c5d5c8c68e460cd07020e636de3558c1afbfb7bcb62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0652365f58c45323c5d5c8c68e460cd07020e636de3558c1afbfb7bcb62a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0652365f58c45323c5d5c8c68e460cd07020e636de3558c1afbfb7bcb62a66", kill_on_drop: false }`
[INFO] [stdout] ef0652365f58c45323c5d5c8c68e460cd07020e636de3558c1afbfb7bcb62a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed368a076db4b0c8f398ee647211950f0f6216fc2f89d7c1a3a6a5aa4ee658a
[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" "5ed368a076db4b0c8f398ee647211950f0f6216fc2f89d7c1a3a6a5aa4ee658a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lokacore v0.1.5
[INFO] [stderr]     Checking randomize v3.0.0-rc.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking hektor v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "5ed368a076db4b0c8f398ee647211950f0f6216fc2f89d7c1a3a6a5aa4ee658a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed368a076db4b0c8f398ee647211950f0f6216fc2f89d7c1a3a6a5aa4ee658a", kill_on_drop: false }`
[INFO] [stdout] 5ed368a076db4b0c8f398ee647211950f0f6216fc2f89d7c1a3a6a5aa4ee658a