[INFO] fetching crate edid 0.3.0...
[INFO] checking edid-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate edid 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate edid 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate edid 0.3.0
[INFO] finished tweaking crates.io crate edid 0.3.0
[INFO] tweaked toml for crates.io crate edid 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b6e5bafb9943a42943e4b1775c46c1f8f27104ff41886c7b066a63171f504fd
[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" "4b6e5bafb9943a42943e4b1775c46c1f8f27104ff41886c7b066a63171f504fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b6e5bafb9943a42943e4b1775c46c1f8f27104ff41886c7b066a63171f504fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6e5bafb9943a42943e4b1775c46c1f8f27104ff41886c7b066a63171f504fd", kill_on_drop: false }`
[INFO] [stdout] 4b6e5bafb9943a42943e4b1775c46c1f8f27104ff41886c7b066a63171f504fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d28056cc6e682d38f7f41de5cd5b6209680d533c5609ad32a5594b313bab384
[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" "7d28056cc6e682d38f7f41de5cd5b6209680d533c5609ad32a5594b313bab384", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking edid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / named!(parse_descriptor<&[u8], Descriptor>,
[INFO] [stdout] 167 | |     switch!(peek!(le_u16),
[INFO] [stdout] 168 | |         0 => do_parse!(
[INFO] [stdout] 169 | |             take!(3)
[INFO] [stdout] ...   |
[INFO] [stdout] 233 | |     )
[INFO] [stdout] 234 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `count_fixed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / named!(parse_descriptor<&[u8], Descriptor>,
[INFO] [stdout] 167 | |     switch!(peek!(le_u16),
[INFO] [stdout] 168 | |         0 => do_parse!(
[INFO] [stdout] 169 | |             take!(3)
[INFO] [stdout] ...   |
[INFO] [stdout] 233 | |     )
[INFO] [stdout] 234 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `count_fixed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:273:12
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 panic!(format!("{}", err));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 panic!("{}", err);
[INFO] [stdout]     |                       --       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "7d28056cc6e682d38f7f41de5cd5b6209680d533c5609ad32a5594b313bab384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d28056cc6e682d38f7f41de5cd5b6209680d533c5609ad32a5594b313bab384", kill_on_drop: false }`
[INFO] [stdout] 7d28056cc6e682d38f7f41de5cd5b6209680d533c5609ad32a5594b313bab384
