[INFO] fetching crate deflate 0.9.1...
[INFO] checking deflate-0.9.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate deflate 0.9.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate deflate 0.9.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deflate 0.9.1
[INFO] finished tweaking crates.io crate deflate 0.9.1
[INFO] tweaked toml for crates.io crate deflate 0.9.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f22bcc6e771cff5b8987de19d5edb78a305be4b37a0e338c27fa5eecd734a89c
[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" "f22bcc6e771cff5b8987de19d5edb78a305be4b37a0e338c27fa5eecd734a89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22bcc6e771cff5b8987de19d5edb78a305be4b37a0e338c27fa5eecd734a89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22bcc6e771cff5b8987de19d5edb78a305be4b37a0e338c27fa5eecd734a89c", kill_on_drop: false }`
[INFO] [stdout] f22bcc6e771cff5b8987de19d5edb78a305be4b37a0e338c27fa5eecd734a89c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a03a24c31f32c0f7c8fed110c1f5d5f608772a8dff10d846cb109cab1c42c6
[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" "e4a03a24c31f32c0f7c8fed110c1f5d5f608772a8dff10d846cb109cab1c42c6", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoder_state.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     format!("Code: {:?}, Value: {:?}", code, value)
[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]    = 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] 65 |                     "Code: {:?}, Value: {:?}", code, value
[INFO] [stdout]    |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoder_state.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     format!("Code: {:?}, Value: {:?}", code, value)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 74 |                     "Code: {:?}, Value: {:?}", code, value
[INFO] [stdout]    |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `flate2`
[INFO] [stdout]  --> benches/bench.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate flate2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deflate`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoder_state.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     format!("Code: {:?}, Value: {:?}", code, value)
[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]    = 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] 65 |                     "Code: {:?}, Value: {:?}", code, value
[INFO] [stdout]    |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoder_state.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     format!("Code: {:?}, Value: {:?}", code, value)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 74 |                     "Code: {:?}, Value: {:?}", code, value
[INFO] [stdout]    |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e4a03a24c31f32c0f7c8fed110c1f5d5f608772a8dff10d846cb109cab1c42c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a03a24c31f32c0f7c8fed110c1f5d5f608772a8dff10d846cb109cab1c42c6", kill_on_drop: false }`
[INFO] [stdout] e4a03a24c31f32c0f7c8fed110c1f5d5f608772a8dff10d846cb109cab1c42c6