[INFO] fetching crate granite 1.0.3...
[INFO] checking granite-1.0.3 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate granite 1.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate granite 1.0.3 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate granite 1.0.3
[INFO] finished tweaking crates.io crate granite 1.0.3
[INFO] tweaked toml for crates.io crate granite 1.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c37120ce6d5dd2537d4aea0b2a8b3c8856054c327cbd054e948c61a23ba514e
[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" "4c37120ce6d5dd2537d4aea0b2a8b3c8856054c327cbd054e948c61a23ba514e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c37120ce6d5dd2537d4aea0b2a8b3c8856054c327cbd054e948c61a23ba514e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c37120ce6d5dd2537d4aea0b2a8b3c8856054c327cbd054e948c61a23ba514e", kill_on_drop: false }`
[INFO] [stdout] 4c37120ce6d5dd2537d4aea0b2a8b3c8856054c327cbd054e948c61a23ba514e
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a8ad4c9e62376787b6855327f9d454523819d6086079c1ae9aa662033e4ead13
[INFO] running `Command { std: "docker" "start" "-a" "a8ad4c9e62376787b6855327f9d454523819d6086079c1ae9aa662033e4ead13", kill_on_drop: false }`
[INFO] [stderr]     Checking granite v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Some(..) => panic!(HOLE_PANIC_MSG),
[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] 277 |             Some(..) => panic!("{}", HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:290:32
[INFO] [stdout]     |
[INFO] [stdout] 290 |             Some(..) => panic!(HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 290 |             Some(..) => panic!("{}", HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:509:20
[INFO] [stdout]     |
[INFO] [stdout] 509 |             panic!(HOLE_PANIC_MSG)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 509 |             panic!("{}", HOLE_PANIC_MSG)
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Some(..) => panic!(HOLE_PANIC_MSG),
[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] 277 |             Some(..) => panic!("{}", HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:290:32
[INFO] [stdout]     |
[INFO] [stdout] 290 |             Some(..) => panic!(HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 290 |             Some(..) => panic!("{}", HOLE_PANIC_MSG),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/list/sparse.rs:509:20
[INFO] [stdout]     |
[INFO] [stdout] 509 |             panic!(HOLE_PANIC_MSG)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 509 |             panic!("{}", HOLE_PANIC_MSG)
[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 0.76s
[INFO] running `Command { std: "docker" "inspect" "a8ad4c9e62376787b6855327f9d454523819d6086079c1ae9aa662033e4ead13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ad4c9e62376787b6855327f9d454523819d6086079c1ae9aa662033e4ead13", kill_on_drop: false }`
[INFO] [stdout] a8ad4c9e62376787b6855327f9d454523819d6086079c1ae9aa662033e4ead13