[INFO] fetching crate crc32c 0.5.0...
[INFO] checking crc32c-0.5.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate crc32c 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crc32c 0.5.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crc32c 0.5.0
[INFO] finished tweaking crates.io crate crc32c 0.5.0
[INFO] tweaked toml for crates.io crate crc32c 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9f311350d86b7ff0fa157c6d7c5a7054e0bd63fb9f87921199cab3166e8887c
[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" "f9f311350d86b7ff0fa157c6d7c5a7054e0bd63fb9f87921199cab3166e8887c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f311350d86b7ff0fa157c6d7c5a7054e0bd63fb9f87921199cab3166e8887c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f311350d86b7ff0fa157c6d7c5a7054e0bd63fb9f87921199cab3166e8887c", kill_on_drop: false }`
[INFO] [stdout] f9f311350d86b7ff0fa157c6d7c5a7054e0bd63fb9f87921199cab3166e8887c
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 099c5cb131a5c0e6a777fd515b20d9f8139772399a5b5d139156114ab3969542
[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" "099c5cb131a5c0e6a777fd515b20d9f8139772399a5b5d139156114ab3969542", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32c v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> build.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut table: [[u32; 256]; 8] = unsafe { mem::uninitialized() };
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> build.rs:132:48
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut zeroes: [[u32; 256]; 4] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> build.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         unsafe { mem::uninitialized() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "099c5cb131a5c0e6a777fd515b20d9f8139772399a5b5d139156114ab3969542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099c5cb131a5c0e6a777fd515b20d9f8139772399a5b5d139156114ab3969542", kill_on_drop: false }`
[INFO] [stdout] 099c5cb131a5c0e6a777fd515b20d9f8139772399a5b5d139156114ab3969542