[INFO] fetching crate tw_pack_lib 0.1.21...
[INFO] checking tw_pack_lib-0.1.21 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate tw_pack_lib 0.1.21 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tw_pack_lib 0.1.21 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] finished tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] tweaked toml for crates.io crate tw_pack_lib 0.1.21 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9c24d82b1d81bd2f2be5fd380889924b0fc75120373ce06e3f4a60fd2bce633
[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" "b9c24d82b1d81bd2f2be5fd380889924b0fc75120373ce06e3f4a60fd2bce633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c24d82b1d81bd2f2be5fd380889924b0fc75120373ce06e3f4a60fd2bce633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c24d82b1d81bd2f2be5fd380889924b0fc75120373ce06e3f4a60fd2bce633", kill_on_drop: false }`
[INFO] [stdout] b9c24d82b1d81bd2f2be5fd380889924b0fc75120373ce06e3f4a60fd2bce633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d8fe95785ca54c87cd12bbec61d53d1e7479589beeff83cf1af950da8a4de5
[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" "79d8fe95785ca54c87cd12bbec61d53d1e7479589beeff83cf1af950da8a4de5", kill_on_drop: false }`
[INFO] [stderr]     Checking cached_file_view v0.1.4
[INFO] [stderr]     Checking tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:233:86
[INFO] [stdout]     |
[INFO] [stdout] 233 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[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 assert!() 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] 233 |                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |                                                                                     --                                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:254:90
[INFO] [stdout]     |
[INFO] [stdout] 254 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() 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] 254 |                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |                                                                                         --                                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:233:86
[INFO] [stdout]     |
[INFO] [stdout] 233 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[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 assert!() 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] 233 |                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |                                                                                     --                                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:254:90
[INFO] [stdout]     |
[INFO] [stdout] 254 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() 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] 254 |                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |                                                                                         --                                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "79d8fe95785ca54c87cd12bbec61d53d1e7479589beeff83cf1af950da8a4de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d8fe95785ca54c87cd12bbec61d53d1e7479589beeff83cf1af950da8a4de5", kill_on_drop: false }`
[INFO] [stdout] 79d8fe95785ca54c87cd12bbec61d53d1e7479589beeff83cf1af950da8a4de5