[INFO] fetching crate masterror 0.27.3...
[INFO] checking masterror-0.27.3 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate masterror 0.27.3 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate masterror 0.27.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate masterror 0.27.3
[INFO] tweaked toml for crates.io crate masterror 0.27.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate masterror 0.27.3 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] crate crates.io crate masterror 0.27.3 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest Rust 1.93 compatible versions
[INFO] [stderr]       Adding masterror-derive v0.11.3
[INFO] [stderr]       Adding masterror-template v0.4.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ef0e2783cfa7dfb70207765fc225a5cf4598368469b949717f0132e07e6bfa
[INFO] running `Command { std: "docker" "start" "-a" "54ef0e2783cfa7dfb70207765fc225a5cf4598368469b949717f0132e07e6bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ef0e2783cfa7dfb70207765fc225a5cf4598368469b949717f0132e07e6bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ef0e2783cfa7dfb70207765fc225a5cf4598368469b949717f0132e07e6bfa", kill_on_drop: false }`
[INFO] [stdout] 54ef0e2783cfa7dfb70207765fc225a5cf4598368469b949717f0132e07e6bfa
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11160014adedc97a55021a19bf73220fdd7089c9dbc886d3494d2e21a224660
[INFO] running `Command { std: "docker" "start" "-a" "c11160014adedc97a55021a19bf73220fdd7089c9dbc886d3494d2e21a224660", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking clap_lex v1.0.0
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking iri-string v0.7.10
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling masterror-template v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking uuid v1.21.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]     Checking criterion-plot v0.8.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking toml v1.0.4+spec-1.1.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking tempfile v3.26.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling masterror-derive v0.11.3
[INFO] [stderr]     Checking rustls-webpki v0.103.9
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking trybuild v1.0.116
[INFO] [stderr]    Compiling masterror v0.27.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stdout] error: struct `IoError` is never constructed
[INFO] [stdout]   --> tests/rust_2024_edition.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct IoError {
[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 `masterror` (test "rust_2024_edition") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c11160014adedc97a55021a19bf73220fdd7089c9dbc886d3494d2e21a224660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11160014adedc97a55021a19bf73220fdd7089c9dbc886d3494d2e21a224660", kill_on_drop: false }`
[INFO] [stdout] c11160014adedc97a55021a19bf73220fdd7089c9dbc886d3494d2e21a224660
