[INFO] fetching crate aprender-mcp 0.50.0...
[INFO] fixing aprender-mcp-0.50.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate aprender-mcp 0.50.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate aprender-mcp 0.50.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate aprender-mcp 0.50.0
[INFO] tweaked toml for crates.io crate aprender-mcp 0.50.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate aprender-mcp 0.50.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aprender-mcp 0.50.0 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pmcp-widget-utils v0.1.0
[INFO] [stderr]   Downloaded futures-locks v0.7.1
[INFO] [stderr]   Downloaded dashmap v6.2.1
[INFO] [stderr]   Downloaded referencing v0.28.3
[INFO] [stderr]   Downloaded fluent-uri v0.3.2
[INFO] [stderr]   Downloaded jsonschema v0.28.3
[INFO] [stderr]   Downloaded fancy-regex v0.14.0
[INFO] [stderr]   Downloaded pmcp v2.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009
[INFO] running `Command { std: "docker" "start" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]     Checking bytes v1.12.0
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking predicates-core v1.0.10
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking http v1.4.2
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking borrow-or-share v0.2.4
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking uuid v1.23.3
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling assert_cmd v2.2.2
[INFO] [stderr]     Checking predicates v3.1.4
[INFO] [stderr]     Checking predicates-tree v1.0.13
[INFO] [stderr]     Checking uuid-simd v0.8.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking inventory v0.3.24
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.6
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]     Checking fraction v0.15.4
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking hyper v1.10.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking fluent-uri v0.3.2
[INFO] [stderr]     Checking email_address v0.2.9
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking referencing v0.28.3
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]    Compiling aprender-mcp v0.50.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking jsonschema v0.28.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.31s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009", kill_on_drop: false }`
[INFO] [stdout] 0cd484f93f9712704e4ee085762208f5dfcb7d19b2f1b5186e280c4e69058009
