[INFO] cloning repository https://github.com/guertinlab/fqdedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guertinlab/fqdedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguertinlab%2Ffqdedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguertinlab%2Ffqdedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea20cbff76a2b3eb2d838900c46fc0bafd8fe1ba
[INFO] checking guertinlab/fqdedup against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguertinlab%2Ffqdedup" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guertinlab/fqdedup on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guertinlab/fqdedup
[INFO] finished tweaking git repo https://github.com/guertinlab/fqdedup
[INFO] tweaked toml for git repo https://github.com/guertinlab/fqdedup written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/guertinlab/fqdedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.1
[INFO] [stderr]   Downloaded serde_derive v1.0.25
[INFO] [stderr]   Downloaded serde v1.0.25
[INFO] [stderr]   Downloaded patricia_tree v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", 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] 505d984b1824af8965f0e192f1921e46426b5933c635a8ce6a7f9773a4b854ff
[INFO] running `Command { std: "docker" "start" "-a" "505d984b1824af8965f0e192f1921e46426b5933c635a8ce6a7f9773a4b854ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505d984b1824af8965f0e192f1921e46426b5933c635a8ce6a7f9773a4b854ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505d984b1824af8965f0e192f1921e46426b5933c635a8ce6a7f9773a4b854ff", kill_on_drop: false }`
[INFO] [stdout] 505d984b1824af8965f0e192f1921e46426b5933c635a8ce6a7f9773a4b854ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a7385186dac408da8741af393e5f098966592fe004309f6a4d891ff2eb2403e
[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" "5a7385186dac408da8741af393e5f098966592fe004309f6a4d891ff2eb2403e", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v1.0.25
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking patricia_tree v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking fqdedup v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 |             panic!(format!("Error: {}", err.description()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 |             panic!(format!("Error: {}", err.description()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let mut output = File::create(output_filename(&args.arg_filename, args.flag_output)).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut output = File::create(output_filename(&args.arg_filename, args.flag_output)).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let mut output = File::create(output_filename(&args.arg_filename, args.flag_output)).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut output = File::create(output_filename(&args.arg_filename, args.flag_output)).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.92s
[INFO] running `Command { std: "docker" "inspect" "5a7385186dac408da8741af393e5f098966592fe004309f6a4d891ff2eb2403e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7385186dac408da8741af393e5f098966592fe004309f6a4d891ff2eb2403e", kill_on_drop: false }`
[INFO] [stdout] 5a7385186dac408da8741af393e5f098966592fe004309f6a4d891ff2eb2403e