[INFO] updating cached repository https://github.com/Lait-au-Cafe/estimate_automaton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7b865980d7dac7118c57eb745b70342142a0888
[INFO] checking Lait-au-Cafe/estimate_automaton against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLait-au-Cafe%2Festimate_automaton" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lait-au-Cafe/estimate_automaton on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lait-au-Cafe/estimate_automaton
[INFO] finished tweaking git repo https://github.com/Lait-au-Cafe/estimate_automaton
[INFO] tweaked toml for git repo https://github.com/Lait-au-Cafe/estimate_automaton written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Lait-au-Cafe/estimate_automaton already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5d907c70874e9f9718c465d52ec87a6c8a7ca2a4d76a8d9df8131fe9ee10fa
[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" "ab5d907c70874e9f9718c465d52ec87a6c8a7ca2a4d76a8d9df8131fe9ee10fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5d907c70874e9f9718c465d52ec87a6c8a7ca2a4d76a8d9df8131fe9ee10fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5d907c70874e9f9718c465d52ec87a6c8a7ca2a4d76a8d9df8131fe9ee10fa", kill_on_drop: false }`
[INFO] [stdout] ab5d907c70874e9f9718c465d52ec87a6c8a7ca2a4d76a8d9df8131fe9ee10fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146cb9b4014e5016b7474fcff87622f6b9e2ce89f7996531c9ff6fcac8f1f517
[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" "146cb9b4014e5016b7474fcff87622f6b9e2ce89f7996531c9ff6fcac8f1f517", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking estimate_automaton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 + " : " + e.description())?;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:125:62
[INFO] [stdout]     |
[INFO] [stdout] 125 |             .map_err(|e|"Cannot read file : ".to_owned() + e.description())?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |             .map_err(|e|e.description().to_owned())?;
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 .map_err(|e| e.description().to_owned())?
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let mut link_list = &mut list[*ptr as usize].link;
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 + " : " + e.description())?;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:125:62
[INFO] [stdout]     |
[INFO] [stdout] 125 |             .map_err(|e|"Cannot read file : ".to_owned() + e.description())?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |             .map_err(|e|e.description().to_owned())?;
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 .map_err(|e| e.description().to_owned())?
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let mut link_list = &mut list[*ptr as usize].link;
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "146cb9b4014e5016b7474fcff87622f6b9e2ce89f7996531c9ff6fcac8f1f517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146cb9b4014e5016b7474fcff87622f6b9e2ce89f7996531c9ff6fcac8f1f517", kill_on_drop: false }`
[INFO] [stdout] 146cb9b4014e5016b7474fcff87622f6b9e2ce89f7996531c9ff6fcac8f1f517