[INFO] fetching crate rustversion-msrv 0.100.0...
[INFO] building rustversion-msrv-0.100.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rustversion-msrv 0.100.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rustversion-msrv 0.100.0
[INFO] finished tweaking crates.io crate rustversion-msrv 0.100.0
[INFO] tweaked toml for crates.io crate rustversion-msrv 0.100.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustversion-msrv 0.100.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd09b757d37cc92aac3ea978d910e3d2659c958d364800cedddfd7eed5c961c7
[INFO] running `Command { std: "docker" "start" "-a" "dd09b757d37cc92aac3ea978d910e3d2659c958d364800cedddfd7eed5c961c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd09b757d37cc92aac3ea978d910e3d2659c958d364800cedddfd7eed5c961c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd09b757d37cc92aac3ea978d910e3d2659c958d364800cedddfd7eed5c961c7", kill_on_drop: false }`
[INFO] [stdout] dd09b757d37cc92aac3ea978d910e3d2659c958d364800cedddfd7eed5c961c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6518b4ea02ece8880b9b1e0ca5363781249bccb1f5d3d6f1055df535597ef5
[INFO] running `Command { std: "docker" "start" "-a" "9a6518b4ea02ece8880b9b1e0ca5363781249bccb1f5d3d6f1055df535597ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion-msrv v0.100.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Date` is never constructed
[INFO] [stdout]   --> build/rustc.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Date {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Release` is never constructed
[INFO] [stdout]  --> src/release.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Release {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "9a6518b4ea02ece8880b9b1e0ca5363781249bccb1f5d3d6f1055df535597ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6518b4ea02ece8880b9b1e0ca5363781249bccb1f5d3d6f1055df535597ef5", kill_on_drop: false }`
[INFO] [stdout] 9a6518b4ea02ece8880b9b1e0ca5363781249bccb1f5d3d6f1055df535597ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6dfdafeb4c4d7ad15a69872e7c4e27472c6e019f485fab0a1d92431a17b6a6
[INFO] running `Command { std: "docker" "start" "-a" "4c6dfdafeb4c4d7ad15a69872e7c4e27472c6e019f485fab0a1d92431a17b6a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustversion-msrv v0.100.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Date` is never constructed
[INFO] [stdout]   --> build/rustc.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Date {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Release` is never constructed
[INFO] [stdout]  --> src/release.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Release {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stdout] warning: struct `Release` is never constructed
[INFO] [stdout]  --> src/release.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Release {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `Command { std: "docker" "inspect" "4c6dfdafeb4c4d7ad15a69872e7c4e27472c6e019f485fab0a1d92431a17b6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6dfdafeb4c4d7ad15a69872e7c4e27472c6e019f485fab0a1d92431a17b6a6", kill_on_drop: false }`
[INFO] [stdout] 4c6dfdafeb4c4d7ad15a69872e7c4e27472c6e019f485fab0a1d92431a17b6a6