[INFO] cloning repository https://github.com/realcr/rs-gf256
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realcr/rs-gf256" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealcr%2Frs-gf256", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealcr%2Frs-gf256'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b68caf106ccb1bee54cce9d45b80e894d6295397
[INFO] checking realcr/rs-gf256 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealcr%2Frs-gf256" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realcr/rs-gf256 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realcr/rs-gf256
[INFO] finished tweaking git repo https://github.com/realcr/rs-gf256
[INFO] tweaked toml for git repo https://github.com/realcr/rs-gf256 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/realcr/rs-gf256 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] 0bf4d6783c664f805e99dde7d88a7b9d279e60f6921cbe97e894a156a96d29e9
[INFO] running `Command { std: "docker" "start" "-a" "0bf4d6783c664f805e99dde7d88a7b9d279e60f6921cbe97e894a156a96d29e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf4d6783c664f805e99dde7d88a7b9d279e60f6921cbe97e894a156a96d29e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf4d6783c664f805e99dde7d88a7b9d279e60f6921cbe97e894a156a96d29e9", kill_on_drop: false }`
[INFO] [stdout] 0bf4d6783c664f805e99dde7d88a7b9d279e60f6921cbe97e894a156a96d29e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f22b8ce5a13650699d58be18dfc29ecbe819f6bbf04d08224096976dcb52ec4
[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" "8f22b8ce5a13650699d58be18dfc29ecbe819f6bbf04d08224096976dcb52ec4", kill_on_drop: false }`
[INFO] [stderr]     Checking gf256 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/lib.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::{ Once, ONCE_INIT };
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                     ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/lib.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::{ Once, ONCE_INIT };
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                     ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "8f22b8ce5a13650699d58be18dfc29ecbe819f6bbf04d08224096976dcb52ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f22b8ce5a13650699d58be18dfc29ecbe819f6bbf04d08224096976dcb52ec4", kill_on_drop: false }`
[INFO] [stdout] 8f22b8ce5a13650699d58be18dfc29ecbe819f6bbf04d08224096976dcb52ec4