[INFO] cloning repository https://github.com/nui/mahidol-datascience-annn-project1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nui/mahidol-datascience-annn-project1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnui%2Fmahidol-datascience-annn-project1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnui%2Fmahidol-datascience-annn-project1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc90f386c98627edf8a928704174cae296703ef6
[INFO] checking nui/mahidol-datascience-annn-project1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnui%2Fmahidol-datascience-annn-project1" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nui/mahidol-datascience-annn-project1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nui/mahidol-datascience-annn-project1
[INFO] finished tweaking git repo https://github.com/nui/mahidol-datascience-annn-project1
[INFO] tweaked toml for git repo https://github.com/nui/mahidol-datascience-annn-project1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nui/mahidol-datascience-annn-project1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21bf64fecfdf74f35633c79cd390d95efe0d4e860de486de0af049120b38d67
[INFO] running `Command { std: "docker" "start" "-a" "e21bf64fecfdf74f35633c79cd390d95efe0d4e860de486de0af049120b38d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21bf64fecfdf74f35633c79cd390d95efe0d4e860de486de0af049120b38d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21bf64fecfdf74f35633c79cd390d95efe0d4e860de486de0af049120b38d67", kill_on_drop: false }`
[INFO] [stdout] e21bf64fecfdf74f35633c79cd390d95efe0d4e860de486de0af049120b38d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9f35daa4676df5431935045c0175789091de1bed8baf1e88e59aaa205d0c11
[INFO] running `Command { std: "docker" "start" "-a" "3c9f35daa4676df5431935045c0175789091de1bed8baf1e88e59aaa205d0c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking clean_data_science v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filters.rs:42:71
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         'fix_name: for (sources, new_name) in mappings.clone().into_iter() {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(&[&str], &str)]` does not implement `Clone`, so calling `clone` on `&[(&[&str], &str)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filters.rs:42:71
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         'fix_name: for (sources, new_name) in mappings.clone().into_iter() {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(&[&str], &str)]` does not implement `Clone`, so calling `clone` on `&[(&[&str], &str)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.14s
[INFO] running `Command { std: "docker" "inspect" "3c9f35daa4676df5431935045c0175789091de1bed8baf1e88e59aaa205d0c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9f35daa4676df5431935045c0175789091de1bed8baf1e88e59aaa205d0c11", kill_on_drop: false }`
[INFO] [stdout] 3c9f35daa4676df5431935045c0175789091de1bed8baf1e88e59aaa205d0c11
[INFO] checking nui/mahidol-datascience-annn-project1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnui%2Fmahidol-datascience-annn-project1" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nui/mahidol-datascience-annn-project1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nui/mahidol-datascience-annn-project1
[INFO] finished tweaking git repo https://github.com/nui/mahidol-datascience-annn-project1
[INFO] tweaked toml for git repo https://github.com/nui/mahidol-datascience-annn-project1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nui/mahidol-datascience-annn-project1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f4e93fc2b2b0410b0f383fa7fecca97b4d49c21b56c24d1fa6b56975bcc7002
[INFO] running `Command { std: "docker" "start" "-a" "3f4e93fc2b2b0410b0f383fa7fecca97b4d49c21b56c24d1fa6b56975bcc7002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4e93fc2b2b0410b0f383fa7fecca97b4d49c21b56c24d1fa6b56975bcc7002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4e93fc2b2b0410b0f383fa7fecca97b4d49c21b56c24d1fa6b56975bcc7002", kill_on_drop: false }`
[INFO] [stdout] 3f4e93fc2b2b0410b0f383fa7fecca97b4d49c21b56c24d1fa6b56975bcc7002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6f7cad0741be45d3d421213ea9cfb9144f857d35958324cdcb2fd8c423f5f0
[INFO] running `Command { std: "docker" "start" "-a" "ef6f7cad0741be45d3d421213ea9cfb9144f857d35958324cdcb2fd8c423f5f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking clean_data_science v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filters.rs:42:71
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         'fix_name: for (sources, new_name) in mappings.clone().into_iter() {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(&[&str], &str)]` does not implement `Clone`, so calling `clone` on `&[(&[&str], &str)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filters.rs:42:71
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         'fix_name: for (sources, new_name) in mappings.clone().into_iter() {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(&[&str], &str)]` does not implement `Clone`, so calling `clone` on `&[(&[&str], &str)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "ef6f7cad0741be45d3d421213ea9cfb9144f857d35958324cdcb2fd8c423f5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6f7cad0741be45d3d421213ea9cfb9144f857d35958324cdcb2fd8c423f5f0", kill_on_drop: false }`
[INFO] [stdout] ef6f7cad0741be45d3d421213ea9cfb9144f857d35958324cdcb2fd8c423f5f0