[INFO] fetching crate decision_table 0.0.2...
[INFO] checking decision_table-0.0.2 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate decision_table 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate decision_table 0.0.2 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decision_table 0.0.2
[INFO] finished tweaking crates.io crate decision_table 0.0.2
[INFO] tweaked toml for crates.io crate decision_table 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate decision_table 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ef80fcebe654346e91af0f29ea3194ed401d788c08798215a94f3f04fa83cf9
[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" "0ef80fcebe654346e91af0f29ea3194ed401d788c08798215a94f3f04fa83cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef80fcebe654346e91af0f29ea3194ed401d788c08798215a94f3f04fa83cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef80fcebe654346e91af0f29ea3194ed401d788c08798215a94f3f04fa83cf9", kill_on_drop: false }`
[INFO] [stdout] 0ef80fcebe654346e91af0f29ea3194ed401d788c08798215a94f3f04fa83cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] dd42a53c9256cb7b4e5fc3308155ffe8b56616592b6a89a7c09a91d9376f4bd2
[INFO] running `Command { std: "docker" "start" "-a" "dd42a53c9256cb7b4e5fc3308155ffe8b56616592b6a89a7c09a91d9376f4bd2", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking decision_table v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         panic!(format!(
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 59 | |         "Invalid row length: expected {}, found {}",
[INFO] [stdout] 60 | |         self.columns_len(),
[INFO] [stdout] 61 | |         row.input_len()
[INFO] [stdout] 62 | |       ))
[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] 58 |       panic!(
[INFO] [stdout] 59 |         "Invalid row length: expected {}, found {}",
[INFO] [stdout] 60 |         self.columns_len(),
[INFO] [stdout] 61 |         row.input_len()
[INFO] [stdout] 62 |       )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         panic!(format!("Invalid value in column {}: {}", idx, cell))
[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] 67 |         panic!("Invalid value in column {}: {}", idx, cell)
[INFO] [stdout]    |               --                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         panic!(format!(
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 59 | |         "Invalid row length: expected {}, found {}",
[INFO] [stdout] 60 | |         self.columns_len(),
[INFO] [stdout] 61 | |         row.input_len()
[INFO] [stdout] 62 | |       ))
[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] 58 |       panic!(
[INFO] [stdout] 59 |         "Invalid row length: expected {}, found {}",
[INFO] [stdout] 60 |         self.columns_len(),
[INFO] [stdout] 61 |         row.input_len()
[INFO] [stdout] 62 |       )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         panic!(format!("Invalid value in column {}: {}", idx, cell))
[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] 67 |         panic!("Invalid value in column {}: {}", idx, cell)
[INFO] [stdout]    |               --                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "dd42a53c9256cb7b4e5fc3308155ffe8b56616592b6a89a7c09a91d9376f4bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd42a53c9256cb7b4e5fc3308155ffe8b56616592b6a89a7c09a91d9376f4bd2", kill_on_drop: false }`
[INFO] [stdout] dd42a53c9256cb7b4e5fc3308155ffe8b56616592b6a89a7c09a91d9376f4bd2