[INFO] fetching crate studier 1.1.0...
[INFO] checking studier-1.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate studier 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate studier 1.1.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate studier 1.1.0
[INFO] finished tweaking crates.io crate studier 1.1.0
[INFO] tweaked toml for crates.io crate studier 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate studier 1.1.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f41096de54baa522e408996a8bdaec35563489602700ffa9a876adc0c4f69ada
[INFO] running `Command { std: "docker" "start" "-a" "f41096de54baa522e408996a8bdaec35563489602700ffa9a876adc0c4f69ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f41096de54baa522e408996a8bdaec35563489602700ffa9a876adc0c4f69ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41096de54baa522e408996a8bdaec35563489602700ffa9a876adc0c4f69ada", kill_on_drop: false }`
[INFO] [stdout] f41096de54baa522e408996a8bdaec35563489602700ffa9a876adc0c4f69ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b3925695b193852092fbed776f5c2f0c3d81542df3f66e3c90732417eeae84
[INFO] running `Command { std: "docker" "start" "-a" "50b3925695b193852092fbed776f5c2f0c3d81542df3f66e3c90732417eeae84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]     Checking studier v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "50b3925695b193852092fbed776f5c2f0c3d81542df3f66e3c90732417eeae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b3925695b193852092fbed776f5c2f0c3d81542df3f66e3c90732417eeae84", kill_on_drop: false }`
[INFO] [stdout] 50b3925695b193852092fbed776f5c2f0c3d81542df3f66e3c90732417eeae84
[INFO] checking studier-1.1.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate studier 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate studier 1.1.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate studier 1.1.0
[INFO] finished tweaking crates.io crate studier 1.1.0
[INFO] tweaked toml for crates.io crate studier 1.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate studier 1.1.0 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 908f9343503c82f4bc37d968d34fbf1d223a9911642ad3f36fb3a8f2add4191d
[INFO] running `Command { std: "docker" "start" "-a" "908f9343503c82f4bc37d968d34fbf1d223a9911642ad3f36fb3a8f2add4191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908f9343503c82f4bc37d968d34fbf1d223a9911642ad3f36fb3a8f2add4191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908f9343503c82f4bc37d968d34fbf1d223a9911642ad3f36fb3a8f2add4191d", kill_on_drop: false }`
[INFO] [stdout] 908f9343503c82f4bc37d968d34fbf1d223a9911642ad3f36fb3a8f2add4191d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acddd59c0e00727780bfe0360c4f5e13a7a4e43c58dff9f34137a6177a299b12
[INFO] running `Command { std: "docker" "start" "-a" "acddd59c0e00727780bfe0360c4f5e13a7a4e43c58dff9f34137a6177a299b12", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]     Checking studier v1.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking studier v1.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             qs.push(parse::parse(&question.to_string(), &lines)?);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^--------------------^^^^^^^^^^
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             temporary value created here
[INFO] [stdout]    |                     returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing local variable `lines`
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             qs.push(parse::parse(&question.to_string(), &lines)?);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^^
[INFO] [stdout]    |                     |                                   |
[INFO] [stdout]    |                     |                                   `lines` is borrowed here
[INFO] [stdout]    |                     returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             qs.push(parse::parse(&question.to_string(), &lines)?);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^--------------------^^^^^^^^^^
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             temporary value created here
[INFO] [stdout]    |                     returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing local variable `lines`
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             qs.push(parse::parse(&question.to_string(), &lines)?);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^^
[INFO] [stdout]    |                     |                                   |
[INFO] [stdout]    |                     |                                   `lines` is borrowed here
[INFO] [stdout]    |                     returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `studier` (bin "studier") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `studier` (bin "studier" test) due to 3 previous errors
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "acddd59c0e00727780bfe0360c4f5e13a7a4e43c58dff9f34137a6177a299b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acddd59c0e00727780bfe0360c4f5e13a7a4e43c58dff9f34137a6177a299b12", kill_on_drop: false }`
[INFO] [stdout] acddd59c0e00727780bfe0360c4f5e13a7a4e43c58dff9f34137a6177a299b12