[INFO] cloning repository https://github.com/STBoyden/ocean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/STBoyden/ocean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTBoyden%2Focean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTBoyden%2Focean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0a5a86b5568029dfe7173f8bfb383ad3f06991e
[INFO] checking STBoyden/ocean against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTBoyden%2Focean" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/STBoyden/ocean on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/STBoyden/ocean
[INFO] finished tweaking git repo https://github.com/STBoyden/ocean
[INFO] tweaked toml for git repo https://github.com/STBoyden/ocean written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/STBoyden/ocean already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] 6bd095588a0bfabbb4e5ff0b068b4e7f3d5788f3fc59fe644c66245d84818c81
[INFO] running `Command { std: "docker" "start" "-a" "6bd095588a0bfabbb4e5ff0b068b4e7f3d5788f3fc59fe644c66245d84818c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd095588a0bfabbb4e5ff0b068b4e7f3d5788f3fc59fe644c66245d84818c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd095588a0bfabbb4e5ff0b068b4e7f3d5788f3fc59fe644c66245d84818c81", kill_on_drop: false }`
[INFO] [stdout] 6bd095588a0bfabbb4e5ff0b068b4e7f3d5788f3fc59fe644c66245d84818c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678c3f0c362109de44d3f50c93c742f787607d1a63a77926b2084bbedd20e39e
[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" "678c3f0c362109de44d3f50c93c742f787607d1a63a77926b2084bbedd20e39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking ocean v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:599:51
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| panic!(("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| panic!("{}", ("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| std::panic::panic_any(("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/commands.rs:599:51
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| panic!(("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| panic!("{}", ("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 599 |                         .unwrap_or_else(|| std::panic::panic_any(("Did not specify custom {} compiler", lang)))
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.22s
[INFO] running `Command { std: "docker" "inspect" "678c3f0c362109de44d3f50c93c742f787607d1a63a77926b2084bbedd20e39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678c3f0c362109de44d3f50c93c742f787607d1a63a77926b2084bbedd20e39e", kill_on_drop: false }`
[INFO] [stdout] 678c3f0c362109de44d3f50c93c742f787607d1a63a77926b2084bbedd20e39e