[INFO] fetching crate casuarius 0.1.1...
[INFO] checking casuarius-0.1.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate casuarius 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate casuarius 0.1.1
[INFO] finished tweaking crates.io crate casuarius 0.1.1
[INFO] tweaked toml for crates.io crate casuarius 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate casuarius 0.1.1 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding ordered-float v1.1.1 (available: v5.3.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa2828d850d74490258d41b8099ec1d7b0e45f727bfe0f08705b0b0a36057505
[INFO] running `Command { std: "docker" "start" "-a" "aa2828d850d74490258d41b8099ec1d7b0e45f727bfe0f08705b0b0a36057505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2828d850d74490258d41b8099ec1d7b0e45f727bfe0f08705b0b0a36057505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2828d850d74490258d41b8099ec1d7b0e45f727bfe0f08705b0b0a36057505", kill_on_drop: false }`
[INFO] [stdout] aa2828d850d74490258d41b8099ec1d7b0e45f727bfe0f08705b0b0a36057505
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09d0e436a23a506b6be9ad89c4abb32f06bdbb93e75f144fb50a7fb3983b811
[INFO] running `Command { std: "docker" "start" "-a" "d09d0e436a23a506b6be9ad89c4abb32f06bdbb93e75f144fb50a7fb3983b811", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking casuarius v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `EditConstraintError` is never constructed
[INFO] [stdout]    --> src/lib.rs:627:12
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:627:32
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casuarius` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `EditConstraintError` is never constructed
[INFO] [stdout]    --> src/lib.rs:627:12
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:627:32
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casuarius` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d09d0e436a23a506b6be9ad89c4abb32f06bdbb93e75f144fb50a7fb3983b811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09d0e436a23a506b6be9ad89c4abb32f06bdbb93e75f144fb50a7fb3983b811", kill_on_drop: false }`
[INFO] [stdout] d09d0e436a23a506b6be9ad89c4abb32f06bdbb93e75f144fb50a7fb3983b811
