[INFO] cloning repository https://github.com/saulvaldelvira/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saulvaldelvira/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulvaldelvira%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulvaldelvira%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5825d41b973015370e270a815fe2a2780abbe0eb
[INFO] checking saulvaldelvira/compiler against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulvaldelvira%2Fcompiler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saulvaldelvira/compiler
[INFO] finished tweaking git repo https://github.com/saulvaldelvira/compiler
[INFO] tweaked toml for git repo https://github.com/saulvaldelvira/compiler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saulvaldelvira/compiler 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/saulvaldelvira/interner`
[INFO] [stderr]     Updating git repository `https://github.com/saulvaldelvira/tiny-vec`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 843a4513328a86ddfbad0ca12e60f04805f6a5a0b2ccce8934420d14864ec4c1
[INFO] running `Command { std: "docker" "start" "-a" "843a4513328a86ddfbad0ca12e60f04805f6a5a0b2ccce8934420d14864ec4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "843a4513328a86ddfbad0ca12e60f04805f6a5a0b2ccce8934420d14864ec4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843a4513328a86ddfbad0ca12e60f04805f6a5a0b2ccce8934420d14864ec4c1", kill_on_drop: false }`
[INFO] [stdout] 843a4513328a86ddfbad0ca12e60f04805f6a5a0b2ccce8934420d14864ec4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b1a19484139e1db12082ed9cf330061e74acc00ee5d129e5fd8acd323dd0721c
[INFO] running `Command { std: "docker" "start" "-a" "b1a19484139e1db12082ed9cf330061e74acc00ee5d129e5fd8acd323dd0721c", kill_on_drop: false }`
[INFO] [stderr]     Checking span v0.1.0 (/opt/rustwide/workdir/lib/span)
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking tiny-vec v0.10.1 (https://github.com/saulvaldelvira/tiny-vec#8878ecd1)
[INFO] [stderr]    Compiling llvm v0.1.0 (/opt/rustwide/workdir/lib/llvm)
[INFO] [stderr]     Checking error_manager v0.1.0 (/opt/rustwide/workdir/lib/error_manager)
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lib/lexer)
[INFO] [stderr]     Checking arena v0.1.0 (/opt/rustwide/workdir/lib/arena)
[INFO] [stderr]     Checking tiny-str v0.10.1 (https://github.com/saulvaldelvira/tiny-vec#8878ecd1)
[INFO] [stderr]     Checking interns v1.2.0 (https://github.com/saulvaldelvira/interner#79889020)
[INFO] [stderr]     Checking interner v0.1.0 (/opt/rustwide/workdir/lib/interner)
[INFO] [stderr]     Checking hir v0.1.0 (/opt/rustwide/workdir/lib/hir)
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/lib/ast)
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/lib/parser)
[INFO] [stderr]     Checking ast_validate v0.1.0 (/opt/rustwide/workdir/lib/ast_validate)
[INFO] [stdout] error: struct `BaseVisitorCtx` is never constructed
[INFO] [stdout]    --> lib/hir/src/visitor.rs:844:12
[INFO] [stdout]     |
[INFO] [stdout] 844 | pub struct BaseVisitorCtx<'hir> {
[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] [stderr] error: could not compile `hir` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `BaseVisitorCtx` is never constructed
[INFO] [stdout]    --> lib/hir/src/visitor.rs:844:12
[INFO] [stdout]     |
[INFO] [stdout] 844 | pub struct BaseVisitorCtx<'hir> {
[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] [stderr] error: could not compile `hir` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b1a19484139e1db12082ed9cf330061e74acc00ee5d129e5fd8acd323dd0721c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a19484139e1db12082ed9cf330061e74acc00ee5d129e5fd8acd323dd0721c", kill_on_drop: false }`
[INFO] [stdout] b1a19484139e1db12082ed9cf330061e74acc00ee5d129e5fd8acd323dd0721c