[INFO] fetching crate lame 0.1.3...
[INFO] checking lame-0.1.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate lame 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lame 0.1.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lame 0.1.3
[INFO] finished tweaking crates.io crate lame 0.1.3
[INFO] tweaked toml for crates.io crate lame 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a669c49b006432bd0487b1f9cb512950561ce282a8c3af4c258f38244d6d57
[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" "07a669c49b006432bd0487b1f9cb512950561ce282a8c3af4c258f38244d6d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a669c49b006432bd0487b1f9cb512950561ce282a8c3af4c258f38244d6d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a669c49b006432bd0487b1f9cb512950561ce282a8c3af4c258f38244d6d57", kill_on_drop: false }`
[INFO] [stdout] 07a669c49b006432bd0487b1f9cb512950561ce282a8c3af4c258f38244d6d57
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1639c5adced76e2a0e39646e597d4088e6ccb13ca4697f5eb9f82a4523e1db4a
[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" "1639c5adced76e2a0e39646e597d4088e6ccb13ca4697f5eb9f82a4523e1db4a", kill_on_drop: false }`
[INFO] [stderr]     Checking lame v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("converting {} to c_int would overflow");
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("converting {} to c_int would overflow", ...);
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", "converting {} to c_int would overflow");
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("converting {} to c_int would overflow");
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("converting {} to c_int would overflow", ...);
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", "converting {} to c_int would overflow");
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "1639c5adced76e2a0e39646e597d4088e6ccb13ca4697f5eb9f82a4523e1db4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1639c5adced76e2a0e39646e597d4088e6ccb13ca4697f5eb9f82a4523e1db4a", kill_on_drop: false }`
[INFO] [stdout] 1639c5adced76e2a0e39646e597d4088e6ccb13ca4697f5eb9f82a4523e1db4a