[INFO] fetching crate mavec 0.2.1...
[INFO] testing mavec-0.2.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate mavec 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mavec 0.2.1
[INFO] finished tweaking crates.io crate mavec 0.2.1
[INFO] tweaked toml for crates.io crate mavec 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mavec 0.2.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mavec 0.2.1 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edb171e97bdfb37a5fb848be889ac39327289a160da52a550fdec0a742ce2040
[INFO] running `Command { std: "docker" "start" "-a" "edb171e97bdfb37a5fb848be889ac39327289a160da52a550fdec0a742ce2040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb171e97bdfb37a5fb848be889ac39327289a160da52a550fdec0a742ce2040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb171e97bdfb37a5fb848be889ac39327289a160da52a550fdec0a742ce2040", kill_on_drop: false }`
[INFO] [stdout] edb171e97bdfb37a5fb848be889ac39327289a160da52a550fdec0a742ce2040
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7803870ee8956a2ef66d2a0789ab532102d771ffe231a7cf1379d9ae9eaa45
[INFO] running `Command { std: "docker" "start" "-a" "0e7803870ee8956a2ef66d2a0789ab532102d771ffe231a7cf1379d9ae9eaa45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling mavec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "0e7803870ee8956a2ef66d2a0789ab532102d771ffe231a7cf1379d9ae9eaa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7803870ee8956a2ef66d2a0789ab532102d771ffe231a7cf1379d9ae9eaa45", kill_on_drop: false }`
[INFO] [stdout] 0e7803870ee8956a2ef66d2a0789ab532102d771ffe231a7cf1379d9ae9eaa45
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd57194ea1443e199ff8ca089c65553f1915b709c901a0e5fc0385dbad4cc04d
[INFO] running `Command { std: "docker" "start" "-a" "cd57194ea1443e199ff8ca089c65553f1915b709c901a0e5fc0385dbad4cc04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mavec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "cd57194ea1443e199ff8ca089c65553f1915b709c901a0e5fc0385dbad4cc04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd57194ea1443e199ff8ca089c65553f1915b709c901a0e5fc0385dbad4cc04d", kill_on_drop: false }`
[INFO] [stdout] cd57194ea1443e199ff8ca089c65553f1915b709c901a0e5fc0385dbad4cc04d
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6925cf2cc18764af618b6bcfd83010f0cddaeafa1fabf8b56408cf6857c12236
[INFO] running `Command { std: "docker" "start" "-a" "6925cf2cc18764af618b6bcfd83010f0cddaeafa1fabf8b56408cf6857c12236", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mavec-a716527164eac1eb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mavec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/core.rs - core::to_vec (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/core.rs - core::to_vec (line 8) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/core.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::Value
[INFO] [stdout]    |                      ^ help: add `;` here
[INFO] [stdout] 13 |
[INFO] [stdout] 14 | let value = json!({
[INFO] [stdout]    | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `Value` is defined multiple times
[INFO] [stdout]   --> src/core.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_json::{json, Value};
[INFO] [stdout]    |                        ----- previous import of the type `Value` here
[INFO] [stdout] 12 | use serde_json::Value
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ `Value` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` must be defined only once in the type namespace of this block
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/core.rs - core::to_vec (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6925cf2cc18764af618b6bcfd83010f0cddaeafa1fabf8b56408cf6857c12236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6925cf2cc18764af618b6bcfd83010f0cddaeafa1fabf8b56408cf6857c12236", kill_on_drop: false }`
[INFO] [stdout] 6925cf2cc18764af618b6bcfd83010f0cddaeafa1fabf8b56408cf6857c12236
