[INFO] fetching crate gctx 0.6.0...
[INFO] checking gctx-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gctx 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gctx 0.6.0
[INFO] finished tweaking crates.io crate gctx 0.6.0
[INFO] tweaked toml for crates.io crate gctx 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gctx 0.6.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gctx 0.6.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c03990c871d7c2b8bcf5a67f6bf7cf438479852bd546f52bcfa82002d238d5
[INFO] running `Command { std: "docker" "start" "-a" "e3c03990c871d7c2b8bcf5a67f6bf7cf438479852bd546f52bcfa82002d238d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c03990c871d7c2b8bcf5a67f6bf7cf438479852bd546f52bcfa82002d238d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c03990c871d7c2b8bcf5a67f6bf7cf438479852bd546f52bcfa82002d238d5", kill_on_drop: false }`
[INFO] [stdout] e3c03990c871d7c2b8bcf5a67f6bf7cf438479852bd546f52bcfa82002d238d5
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02384f60332dcdcc8d79a93dc6298e91d1ef17f75c0e3fb6401f5cf399b596c
[INFO] running `Command { std: "docker" "start" "-a" "b02384f60332dcdcc8d79a93dc6298e91d1ef17f75c0e3fb6401f5cf399b596c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking zeroize v1.5.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking which v4.2.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking dialoguer v0.10.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]     Checking serde_ini v0.2.0
[INFO] [stderr]     Checking gcloud-ctx v0.4.0
[INFO] [stderr]     Checking gctx v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/arguments.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// Switch to this context (shorthand for activate, ignores subsequent arguments)
[INFO] [stdout] 8 | |     pub context: Option<String>,
[INFO] [stdout]   | |_______________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         /// Name of the configuration to activate
[INFO] [stdout] 19 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         src_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         dest_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         #[clap(required_unless_present("interactive"), requires_all(&["project", "account", "zone"]))]
[INFO] [stdout] 47 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | /         /// Setting for core/project
[INFO] [stdout] 50 | |         #[clap(short, long)]
[INFO] [stdout] 51 | |         project: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         /// Setting for core/account
[INFO] [stdout] 54 | |         #[clap(short, long)]
[INFO] [stdout] 55 | |         account: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         /// Setting for compute/zone
[INFO] [stdout] 58 | |         #[clap(short, long)]
[INFO] [stdout] 59 | |         zone: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         /// Setting for compute/region
[INFO] [stdout] 62 | |         #[clap(short, long)]
[INFO] [stdout] 63 | |         region: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         /// Name of the configuration to delete
[INFO] [stdout] 80 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | /         /// Name of the configuration, defaults to current
[INFO] [stdout] 86 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         /// Name of an existing configuration
[INFO] [stdout] 95 | |         old_name: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 | /         /// New name
[INFO] [stdout] 98 | |         new_name: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gctx` (bin "gctx" test) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/arguments.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// Switch to this context (shorthand for activate, ignores subsequent arguments)
[INFO] [stdout] 8 | |     pub context: Option<String>,
[INFO] [stdout]   | |_______________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         /// Name of the configuration to activate
[INFO] [stdout] 19 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         src_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         dest_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         #[clap(required_unless_present("interactive"), requires_all(&["project", "account", "zone"]))]
[INFO] [stdout] 47 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | /         /// Setting for core/project
[INFO] [stdout] 50 | |         #[clap(short, long)]
[INFO] [stdout] 51 | |         project: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         /// Setting for core/account
[INFO] [stdout] 54 | |         #[clap(short, long)]
[INFO] [stdout] 55 | |         account: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         /// Setting for compute/zone
[INFO] [stdout] 58 | |         #[clap(short, long)]
[INFO] [stdout] 59 | |         zone: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         /// Setting for compute/region
[INFO] [stdout] 62 | |         #[clap(short, long)]
[INFO] [stdout] 63 | |         region: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         /// Name of the configuration to delete
[INFO] [stdout] 80 | |         name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | /         /// Name of the configuration, defaults to current
[INFO] [stdout] 86 | |         name: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         /// Name of an existing configuration
[INFO] [stdout] 95 | |         old_name: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 | /         /// New name
[INFO] [stdout] 98 | |         new_name: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gctx` (bin "gctx") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "b02384f60332dcdcc8d79a93dc6298e91d1ef17f75c0e3fb6401f5cf399b596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02384f60332dcdcc8d79a93dc6298e91d1ef17f75c0e3fb6401f5cf399b596c", kill_on_drop: false }`
[INFO] [stdout] b02384f60332dcdcc8d79a93dc6298e91d1ef17f75c0e3fb6401f5cf399b596c
