[INFO] fetching crate oris 0.2.1...
[INFO] checking oris-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate oris 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate oris 0.2.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oris 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate oris 0.2.1
[INFO] tweaked toml for crates.io crate oris 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate oris 0.2.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3da7e872bc1216394fa3ab071032172c0fa2447b3a53d5e2be5e137f2389deb
[INFO] running `Command { std: "docker" "start" "-a" "c3da7e872bc1216394fa3ab071032172c0fa2447b3a53d5e2be5e137f2389deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3da7e872bc1216394fa3ab071032172c0fa2447b3a53d5e2be5e137f2389deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3da7e872bc1216394fa3ab071032172c0fa2447b3a53d5e2be5e137f2389deb", kill_on_drop: false }`
[INFO] [stdout] c3da7e872bc1216394fa3ab071032172c0fa2447b3a53d5e2be5e137f2389deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12a2fa3aaaa73eb9c3198f813cc5cc15330232e6ec10e305e0f1351d204dd972
[INFO] running `Command { std: "docker" "start" "-a" "12a2fa3aaaa73eb9c3198f813cc5cc15330232e6ec10e305e0f1351d204dd972", kill_on_drop: false }`
[INFO] [stderr]     Checking oris v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `args` is never read
[INFO] [stdout]   --> src/eval/error.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 31 |         args: Box<[Value]>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/parse/ast.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) struct Let {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub(crate) pos: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Let` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/parse/ast.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) struct Return {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub(crate) pos: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Return` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]    --> src/parse/ast.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub(crate) struct Block {
[INFO] [stdout]     |                   ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub(crate) pos: usize,
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]    --> src/parse/ast.rs:313:19
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl Str {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 313 |     pub(crate) fn value(&self) -> &str {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `args` is never read
[INFO] [stdout]   --> src/eval/error.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Call {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 31 |         args: Box<[Value]>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/parse/ast.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) struct Let {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub(crate) pos: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Let` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/parse/ast.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) struct Return {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub(crate) pos: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Return` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]    --> src/parse/ast.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub(crate) struct Block {
[INFO] [stdout]     |                   ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub(crate) pos: usize,
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "12a2fa3aaaa73eb9c3198f813cc5cc15330232e6ec10e305e0f1351d204dd972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a2fa3aaaa73eb9c3198f813cc5cc15330232e6ec10e305e0f1351d204dd972", kill_on_drop: false }`
[INFO] [stdout] 12a2fa3aaaa73eb9c3198f813cc5cc15330232e6ec10e305e0f1351d204dd972