[INFO] fetching crate cargo-msrv-prep 2.1.1...
[INFO] building cargo-msrv-prep-2.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate cargo-msrv-prep 2.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cargo-msrv-prep 2.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-msrv-prep 2.1.1
[INFO] tweaked toml for crates.io crate cargo-msrv-prep 2.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-msrv-prep 2.1.1 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] crate crates.io crate cargo-msrv-prep 2.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3c88b8a019dd7aadbfcfc1a6be1c3777cf016d6afe3e49519af7027eebbb8727
[INFO] running `Command { std: "docker" "start" "-a" "3c88b8a019dd7aadbfcfc1a6be1c3777cf016d6afe3e49519af7027eebbb8727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c88b8a019dd7aadbfcfc1a6be1c3777cf016d6afe3e49519af7027eebbb8727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c88b8a019dd7aadbfcfc1a6be1c3777cf016d6afe3e49519af7027eebbb8727", kill_on_drop: false }`
[INFO] [stdout] 3c88b8a019dd7aadbfcfc1a6be1c3777cf016d6afe3e49519af7027eebbb8727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5f987fa43f080ced113bc017815fc48deecf53bf7f87e724933f2f691dfad21e
[INFO] running `Command { std: "docker" "start" "-a" "5f987fa43f080ced113bc017815fc48deecf53bf7f87e724933f2f691dfad21e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling jiff v0.2.6
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling clap-verbosity-flag v3.0.2
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling clap-cargo v0.13.0
[INFO] [stderr]    Compiling cargo-msrv-prep v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "5f987fa43f080ced113bc017815fc48deecf53bf7f87e724933f2f691dfad21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f987fa43f080ced113bc017815fc48deecf53bf7f87e724933f2f691dfad21e", kill_on_drop: false }`
[INFO] [stdout] 5f987fa43f080ced113bc017815fc48deecf53bf7f87e724933f2f691dfad21e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5f6e37b938005b069e06b34d5ad60db553e17b0821c8b6c31af04706eb81631f
[INFO] running `Command { std: "docker" "start" "-a" "5f6e37b938005b069e06b34d5ad60db553e17b0821c8b6c31af04706eb81631f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling test-log v0.2.17
[INFO] [stderr]    Compiling globwalk v0.9.1
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling clap-verbosity-flag v3.0.2
[INFO] [stderr]    Compiling assert_fs v1.1.2
[INFO] [stderr]    Compiling mockall v0.13.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling clap-cargo v0.13.0
[INFO] [stderr]    Compiling cargo-msrv-prep v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "5f6e37b938005b069e06b34d5ad60db553e17b0821c8b6c31af04706eb81631f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6e37b938005b069e06b34d5ad60db553e17b0821c8b6c31af04706eb81631f", kill_on_drop: false }`
[INFO] [stdout] 5f6e37b938005b069e06b34d5ad60db553e17b0821c8b6c31af04706eb81631f