[INFO] fetching crate grammers-session 0.2.0...
[INFO] checking grammers-session-0.2.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate grammers-session 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grammers-session 0.2.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grammers-session 0.2.0
[INFO] finished tweaking crates.io crate grammers-session 0.2.0
[INFO] tweaked toml for crates.io crate grammers-session 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09ba4834b2711f2c581df4006e5a9229f0198fa432573db77b3e4de717757a87
[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" "09ba4834b2711f2c581df4006e5a9229f0198fa432573db77b3e4de717757a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09ba4834b2711f2c581df4006e5a9229f0198fa432573db77b3e4de717757a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ba4834b2711f2c581df4006e5a9229f0198fa432573db77b3e4de717757a87", kill_on_drop: false }`
[INFO] [stdout] 09ba4834b2711f2c581df4006e5a9229f0198fa432573db77b3e4de717757a87
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40c5c9d5a424b0a334ffc5df147e0738f735cfbeff54ac4829aa442e99e7d61
[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" "b40c5c9d5a424b0a334ffc5df147e0738f735cfbeff54ac4829aa442e99e7d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking aesni v0.6.0
[INFO] [stderr]     Checking grammers-crypto v0.2.0
[INFO] [stderr]     Checking grammers-session v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "b40c5c9d5a424b0a334ffc5df147e0738f735cfbeff54ac4829aa442e99e7d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40c5c9d5a424b0a334ffc5df147e0738f735cfbeff54ac4829aa442e99e7d61", kill_on_drop: false }`
[INFO] [stdout] b40c5c9d5a424b0a334ffc5df147e0738f735cfbeff54ac4829aa442e99e7d61