[INFO] cloning repository https://github.com/robertcorponoi/godot-rust-cli-upgrader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertcorponoi/godot-rust-cli-upgrader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertcorponoi%2Fgodot-rust-cli-upgrader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertcorponoi%2Fgodot-rust-cli-upgrader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e339e136d2f12292db712bd5a0d219e2eb5aebb9
[INFO] checking robertcorponoi/godot-rust-cli-upgrader against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertcorponoi%2Fgodot-rust-cli-upgrader" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robertcorponoi/godot-rust-cli-upgrader
[INFO] finished tweaking git repo https://github.com/robertcorponoi/godot-rust-cli-upgrader
[INFO] tweaked toml for git repo https://github.com/robertcorponoi/godot-rust-cli-upgrader written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robertcorponoi/godot-rust-cli-upgrader 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 git repo https://github.com/robertcorponoi/godot-rust-cli-upgrader 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 260043c5ad62966dbe11f76a96b83f961d347419fc0c5e59a625c96c617cdc5f
[INFO] running `Command { std: "docker" "start" "-a" "260043c5ad62966dbe11f76a96b83f961d347419fc0c5e59a625c96c617cdc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260043c5ad62966dbe11f76a96b83f961d347419fc0c5e59a625c96c617cdc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260043c5ad62966dbe11f76a96b83f961d347419fc0c5e59a625c96c617cdc5f", kill_on_drop: false }`
[INFO] [stdout] 260043c5ad62966dbe11f76a96b83f961d347419fc0c5e59a625c96c617cdc5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 35701e329d5dbc7c9782b5601fc36375ec444374988b38dc13be2a1d786fcbda
[INFO] running `Command { std: "docker" "start" "-a" "35701e329d5dbc7c9782b5601fc36375ec444374988b38dc13be2a1d786fcbda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking assert_cmd v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking godot-rust-cli-upgrader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ConfigV01` is never constructed
[INFO] [stdout]   --> src/./utils/config.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ConfigV01 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// The version to upgrade the library to.
[INFO] [stdout] 31 | |         #[structopt()]
[INFO] [stdout] 32 | |         version: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `godot-rust-cli-upgrader` (bin "godot-rust-cli-upgrader" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ConfigV01` is never constructed
[INFO] [stdout]   --> src/./utils/config.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ConfigV01 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         /// The version to upgrade the library to.
[INFO] [stdout] 31 | |         #[structopt()]
[INFO] [stdout] 32 | |         version: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `godot-rust-cli-upgrader` (bin "godot-rust-cli-upgrader") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "35701e329d5dbc7c9782b5601fc36375ec444374988b38dc13be2a1d786fcbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35701e329d5dbc7c9782b5601fc36375ec444374988b38dc13be2a1d786fcbda", kill_on_drop: false }`
[INFO] [stdout] 35701e329d5dbc7c9782b5601fc36375ec444374988b38dc13be2a1d786fcbda