[INFO] fetching crate l 1.2.7...
[INFO] checking l-1.2.7 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate l 1.2.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate l 1.2.7
[INFO] finished tweaking crates.io crate l 1.2.7
[INFO] tweaked toml for crates.io crate l 1.2.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate l 1.2.7 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate l 1.2.7 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ef6f669be1eaa182e4495b12711e323cd55e4fa7c71a9855f6a278177388a0b
[INFO] running `Command { std: "docker" "start" "-a" "7ef6f669be1eaa182e4495b12711e323cd55e4fa7c71a9855f6a278177388a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ef6f669be1eaa182e4495b12711e323cd55e4fa7c71a9855f6a278177388a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef6f669be1eaa182e4495b12711e323cd55e4fa7c71a9855f6a278177388a0b", kill_on_drop: false }`
[INFO] [stdout] 7ef6f669be1eaa182e4495b12711e323cd55e4fa7c71a9855f6a278177388a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b817afbf207cfe6b315e2a881a221f924cec49461d3b9da0ffead1584cfe45
[INFO] running `Command { std: "docker" "start" "-a" "54b817afbf207cfe6b315e2a881a221f924cec49461d3b9da0ffead1584cfe45", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking l v1.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `MyStr` is never constructed
[INFO] [stdout]   --> src/str.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MyStr(String,);
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MyUsize` is never constructed
[INFO] [stdout]   --> src/str.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MyUsize(usize,);
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MyStr` is never constructed
[INFO] [stdout]   --> src/str.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MyStr(String,);
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MyUsize` is never constructed
[INFO] [stdout]   --> src/str.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MyUsize(usize,);
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `l` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `l` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "54b817afbf207cfe6b315e2a881a221f924cec49461d3b9da0ffead1584cfe45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b817afbf207cfe6b315e2a881a221f924cec49461d3b9da0ffead1584cfe45", kill_on_drop: false }`
[INFO] [stdout] 54b817afbf207cfe6b315e2a881a221f924cec49461d3b9da0ffead1584cfe45
