[INFO] fetching crate hangar 0.0.4...
[INFO] checking hangar-0.0.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate hangar 0.0.4 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate hangar 0.0.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hangar 0.0.4
[INFO] finished tweaking crates.io crate hangar 0.0.4
[INFO] tweaked toml for crates.io crate hangar 0.0.4 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76aec77ce622b64d44331bf036e631900247b375aa99ffe6a4ec3c8dff319228
[INFO] running `Command { std: "docker" "start" "-a" "76aec77ce622b64d44331bf036e631900247b375aa99ffe6a4ec3c8dff319228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76aec77ce622b64d44331bf036e631900247b375aa99ffe6a4ec3c8dff319228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76aec77ce622b64d44331bf036e631900247b375aa99ffe6a4ec3c8dff319228", kill_on_drop: false }`
[INFO] [stdout] 76aec77ce622b64d44331bf036e631900247b375aa99ffe6a4ec3c8dff319228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f178a332ce17051917c2715df5c0856ae4771e6722d737492da159215ca877ca
[INFO] running `Command { std: "docker" "start" "-a" "f178a332ce17051917c2715df5c0856ae4771e6722d737492da159215ca877ca", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.0.4
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[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking hangar v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     context.add("database_url", &setting.db_url);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     context.add("authors_name_email", &setting.author);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |     context.add("cargo_db", cargo_db);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |     context.add("db_connection_long", db_connection_long);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |     context.add("db_connection_short", db_connection_short);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     context.add("database_url", &setting.db_url);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     context.add("authors_name_email", &setting.author);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |     context.add("cargo_db", cargo_db);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |     context.add("db_connection_long", db_connection_long);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tera::Context::add`: Use `insert` instead to keep consistency with std collections
[INFO] [stdout]    --> src/generator/mod.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |     context.add("db_connection_short", db_connection_short);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
[INFO] [stdout]    |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     } else if let Some(matches) = matches.subcommand_matches("db") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     } else if let Some(matches) = matches.subcommand_matches("run") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let result: Result<String, String> = if let Some(matches) = matches.subcommand_matches("build")
[INFO] [stdout]    |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     } else if let Some(matches) = matches.subcommand_matches("db") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     } else if let Some(matches) = matches.subcommand_matches("run") {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/generator/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tera.add_raw_template(var_template_name, var_template_value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/generator/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tera.add_raw_template(var_template_name, var_template_value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "f178a332ce17051917c2715df5c0856ae4771e6722d737492da159215ca877ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f178a332ce17051917c2715df5c0856ae4771e6722d737492da159215ca877ca", kill_on_drop: false }`
[INFO] [stdout] f178a332ce17051917c2715df5c0856ae4771e6722d737492da159215ca877ca
