[INFO] fetching crate pretty-bytes 0.2.2...
[INFO] checking pretty-bytes-0.2.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate pretty-bytes 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pretty-bytes 0.2.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty-bytes 0.2.2
[INFO] finished tweaking crates.io crate pretty-bytes 0.2.2
[INFO] tweaked toml for crates.io crate pretty-bytes 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c79232bac0dfa3c91cabab4167e07ce9935344794d791d93a100226bb2a0b50d
[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" "c79232bac0dfa3c91cabab4167e07ce9935344794d791d93a100226bb2a0b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79232bac0dfa3c91cabab4167e07ce9935344794d791d93a100226bb2a0b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79232bac0dfa3c91cabab4167e07ce9935344794d791d93a100226bb2a0b50d", kill_on_drop: false }`
[INFO] [stdout] c79232bac0dfa3c91cabab4167e07ce9935344794d791d93a100226bb2a0b50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8102927a6d21f59bb655e21da8bc00c44183366ee6b30209e0d9bb4e538ef9db
[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" "8102927a6d21f59bb655e21da8bc00c44183366ee6b30209e0d9bb4e538ef9db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pretty-bytes v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!(f.to_string()) }
[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] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!(f.to_string()) }
[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] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[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/cli.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { panic!(f.to_string()) }
[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] 31 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cli.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { panic!(f.to_string()) }
[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] 42 |             Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(f) => { std::panic::panic_any(f.to_string()) }
[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 4.45s
[INFO] running `Command { std: "docker" "inspect" "8102927a6d21f59bb655e21da8bc00c44183366ee6b30209e0d9bb4e538ef9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8102927a6d21f59bb655e21da8bc00c44183366ee6b30209e0d9bb4e538ef9db", kill_on_drop: false }`
[INFO] [stdout] 8102927a6d21f59bb655e21da8bc00c44183366ee6b30209e0d9bb4e538ef9db