[INFO] fetching crate conshomfold 0.1.1...
[INFO] checking conshomfold-0.1.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate conshomfold 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate conshomfold 0.1.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conshomfold 0.1.1
[INFO] finished tweaking crates.io crate conshomfold 0.1.1
[INFO] tweaked toml for crates.io crate conshomfold 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate conshomfold 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7438fbaaf51fc38fcfb235173dc04795339d1c10a1a70b4bb3a2b2e5ed8c9d4d
[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" "7438fbaaf51fc38fcfb235173dc04795339d1c10a1a70b4bb3a2b2e5ed8c9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7438fbaaf51fc38fcfb235173dc04795339d1c10a1a70b4bb3a2b2e5ed8c9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7438fbaaf51fc38fcfb235173dc04795339d1c10a1a70b4bb3a2b2e5ed8c9d4d", kill_on_drop: false }`
[INFO] [stdout] 7438fbaaf51fc38fcfb235173dc04795339d1c10a1a70b4bb3a2b2e5ed8c9d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f32661f2003bd09425f7a32a50e18fa533bba11c570ba0eb7dacd1999afc77
[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" "93f32661f2003bd09425f7a32a50e18fa533bba11c570ba0eb7dacd1999afc77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bio-seq-algos v0.1.17
[INFO] [stderr]     Checking rna-ss-params v0.1.17
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bv v0.7.4
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking bio v0.20.3
[INFO] [stderr]     Checking rna-algos v0.1.16
[INFO] [stderr]     Checking consprob v0.1.1
[INFO] [stderr]     Checking conshomfold v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:34:72
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); panic!(failure.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] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); panic!("{}", failure.to_string())}
[INFO] [stdout]    |                                                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); std::panic::panic_any(failure.to_string())}
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:34:72
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); panic!(failure.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] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); panic!("{}", failure.to_string())}
[INFO] [stdout]    |                                                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Err(failure) => {print_program_usage(&program_name, &opts); std::panic::panic_any(failure.to_string())}
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.98s
[INFO] running `Command { std: "docker" "inspect" "93f32661f2003bd09425f7a32a50e18fa533bba11c570ba0eb7dacd1999afc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f32661f2003bd09425f7a32a50e18fa533bba11c570ba0eb7dacd1999afc77", kill_on_drop: false }`
[INFO] [stdout] 93f32661f2003bd09425f7a32a50e18fa533bba11c570ba0eb7dacd1999afc77