[INFO] cloning repository https://github.com/obaraelijah/samson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obaraelijah/samson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fsamson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fsamson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b31d0feba770d710e2fab9c528e8ae1794f4104d
[INFO] building obaraelijah/samson against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaraelijah%2Fsamson" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obaraelijah/samson on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/obaraelijah/samson
[INFO] finished tweaking git repo https://github.com/obaraelijah/samson
[INFO] tweaked toml for git repo https://github.com/obaraelijah/samson written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/obaraelijah/samson 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 233be408177dc234f0f3dd0bdbb82677c9fd4ceeadc021c42182f733568cb850
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[INFO] [stderr]    Compiling samson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `FILTER` is never used
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const FILTER: &str = "!GA6rnU)jp95BuY0.ZNgu2js9EcJVQ";
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `quota_max`, `quota_remaining`, and `has_more` are never read
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Wrapper<T: DeserializeOwned> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 43 |     quota_max: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 44 |     quota_remaining: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     has_more: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wrapper` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filter_type` and `included_fields` are never read
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Filter {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 52 |     filter: String,
[INFO] [stdout] 53 |     filter_type: FilterType,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 54 |     included_fields: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Filter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "233be408177dc234f0f3dd0bdbb82677c9fd4ceeadc021c42182f733568cb850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233be408177dc234f0f3dd0bdbb82677c9fd4ceeadc021c42182f733568cb850", kill_on_drop: false }`
[INFO] [stdout] 233be408177dc234f0f3dd0bdbb82677c9fd4ceeadc021c42182f733568cb850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7d43fe0f131da8734096fd1c4071d037216c3134db2b77485101ff19e2f1c6
[INFO] running `Command { std: "docker" "start" "-a" "1b7d43fe0f131da8734096fd1c4071d037216c3134db2b77485101ff19e2f1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling samson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `FILTER` is never used
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const FILTER: &str = "!GA6rnU)jp95BuY0.ZNgu2js9EcJVQ";
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `quota_max`, `quota_remaining`, and `has_more` are never read
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Wrapper<T: DeserializeOwned> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 43 |     quota_max: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 44 |     quota_remaining: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     has_more: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wrapper` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filter_type` and `included_fields` are never read
[INFO] [stdout]   --> src/cmd/utils/so/filter.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Filter {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 52 |     filter: String,
[INFO] [stdout] 53 |     filter_type: FilterType,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 54 |     included_fields: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Filter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "1b7d43fe0f131da8734096fd1c4071d037216c3134db2b77485101ff19e2f1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7d43fe0f131da8734096fd1c4071d037216c3134db2b77485101ff19e2f1c6", kill_on_drop: false }`
[INFO] [stdout] 1b7d43fe0f131da8734096fd1c4071d037216c3134db2b77485101ff19e2f1c6