[INFO] fetching crate rgmk 0.3.0...
[INFO] checking rgmk-0.3.0 against beta for pr-78714
[INFO] extracting crate rgmk 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rgmk 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgmk 0.3.0
[INFO] finished tweaking crates.io crate rgmk 0.3.0
[INFO] tweaked toml for crates.io crate rgmk 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8062cb2cb91935ca29955ff19ef8ec1683e4b724a2669501690bec230955c461
[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" "8062cb2cb91935ca29955ff19ef8ec1683e4b724a2669501690bec230955c461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8062cb2cb91935ca29955ff19ef8ec1683e4b724a2669501690bec230955c461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8062cb2cb91935ca29955ff19ef8ec1683e4b724a2669501690bec230955c461", kill_on_drop: false }`
[INFO] [stdout] 8062cb2cb91935ca29955ff19ef8ec1683e4b724a2669501690bec230955c461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f07ddccf1919e7c10026448294c2a229165a018495ec466c610ead3de1d79f1
[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" "6f07ddccf1919e7c10026448294c2a229165a018495ec466c610ead3de1d79f1", kill_on_drop: false }`
[INFO] [stderr]     Checking rgmk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/serde/txtr.rs:8:59
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read(reader: &mut FileBufRead) -> Result<Txtr, Box<Error>> {
[INFO] [stdout]   |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde/mod.rs:84:71
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn open_and_read(mut reader: FileBufRead) -> Result<GameData, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde/mod.rs:223:36
[INFO] [stdout]     |
[INFO] [stdout] 223 | ) -> Result<Option<Box<[u8]>>, Box<Error>> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:72
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn open<P: AsRef<path::Path>>(path: P) -> Result<GameData, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/serde/txtr.rs:8:59
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read(reader: &mut FileBufRead) -> Result<Txtr, Box<Error>> {
[INFO] [stdout]   |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde/mod.rs:84:71
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn open_and_read(mut reader: FileBufRead) -> Result<GameData, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde/mod.rs:223:36
[INFO] [stdout]     |
[INFO] [stdout] 223 | ) -> Result<Option<Box<[u8]>>, Box<Error>> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:72
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn open<P: AsRef<path::Path>>(path: P) -> Result<GameData, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/serde/mod.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |             Io(ref err) => err.description(),
[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::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/serde/mod.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |             Io(ref err) => err.description(),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "6f07ddccf1919e7c10026448294c2a229165a018495ec466c610ead3de1d79f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f07ddccf1919e7c10026448294c2a229165a018495ec466c610ead3de1d79f1", kill_on_drop: false }`
[INFO] [stdout] 6f07ddccf1919e7c10026448294c2a229165a018495ec466c610ead3de1d79f1