[INFO] fetching crate fg 0.1.4...
[INFO] checking fg-0.1.4 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate fg 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fg 0.1.4 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fg 0.1.4
[INFO] finished tweaking crates.io crate fg 0.1.4
[INFO] tweaked toml for crates.io crate fg 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fg 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0435b452a2eb140983e9a2a4cb7ee00a94a1960f8ae85b9d34bb8744db273286
[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" "0435b452a2eb140983e9a2a4cb7ee00a94a1960f8ae85b9d34bb8744db273286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0435b452a2eb140983e9a2a4cb7ee00a94a1960f8ae85b9d34bb8744db273286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0435b452a2eb140983e9a2a4cb7ee00a94a1960f8ae85b9d34bb8744db273286", kill_on_drop: false }`
[INFO] [stdout] 0435b452a2eb140983e9a2a4cb7ee00a94a1960f8ae85b9d34bb8744db273286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bffd0e1fc6fa0ee116543e69ca5e24c3c31f72d6b994674bb15460c0010dc611
[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" "bffd0e1fc6fa0ee116543e69ca5e24c3c31f72d6b994674bb15460c0010dc611", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking fg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::ptr::mut_ptr::<impl *mut T>::wrapping_offset_from`: Pointer distances across allocation boundaries are not typically meaningful. Use integer subtraction if you really need this.
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::ptr::mut_ptr::<impl *mut T>::wrapping_offset_from`: Pointer distances across allocation boundaries are not typically meaningful. Use integer subtraction if you really need this.
[INFO] [stdout]    --> src/main.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::ptr::mut_ptr::<impl *mut T>::wrapping_offset_from`: Pointer distances across allocation boundaries are not typically meaningful. Use integer subtraction if you really need this.
[INFO] [stdout]    --> src/main.rs:529:50
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         (*commandPtr).offset(src.wrapping_offset_from(*commandPtr)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::ptr::mut_ptr::<impl *mut T>::wrapping_offset_from`: Pointer distances across allocation boundaries are not typically meaningful. Use integer subtraction if you really need this.
[INFO] [stdout]    --> src/main.rs:552:27
[INFO] [stdout]     |
[INFO] [stdout] 552 |             returnCommand.wrapping_offset_from(*commandPtr) as libc::c_long as
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "bffd0e1fc6fa0ee116543e69ca5e24c3c31f72d6b994674bb15460c0010dc611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffd0e1fc6fa0ee116543e69ca5e24c3c31f72d6b994674bb15460c0010dc611", kill_on_drop: false }`
[INFO] [stdout] bffd0e1fc6fa0ee116543e69ca5e24c3c31f72d6b994674bb15460c0010dc611