[INFO] fetching crate undo 0.51.0...
[INFO] checking undo-0.51.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate undo 0.51.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate undo 0.51.0 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 undo 0.51.0
[INFO] finished tweaking crates.io crate undo 0.51.0
[INFO] tweaked toml for crates.io crate undo 0.51.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate undo 0.51.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 308779730e8d393fff44c41097a116b315c0ab8de557a64e05fa0e0f06e3e9f2
[INFO] running `Command { std: "docker" "start" "-a" "308779730e8d393fff44c41097a116b315c0ab8de557a64e05fa0e0f06e3e9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308779730e8d393fff44c41097a116b315c0ab8de557a64e05fa0e0f06e3e9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308779730e8d393fff44c41097a116b315c0ab8de557a64e05fa0e0f06e3e9f2", kill_on_drop: false }`
[INFO] [stdout] 308779730e8d393fff44c41097a116b315c0ab8de557a64e05fa0e0f06e3e9f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d14cc1096a026712b0d3be6f6381074ed6d38929e6eda255922890d778684dd4
[INFO] running `Command { std: "docker" "start" "-a" "d14cc1096a026712b0d3be6f6381074ed6d38929e6eda255922890d778684dd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking undo v0.51.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "d14cc1096a026712b0d3be6f6381074ed6d38929e6eda255922890d778684dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14cc1096a026712b0d3be6f6381074ed6d38929e6eda255922890d778684dd4", kill_on_drop: false }`
[INFO] [stdout] d14cc1096a026712b0d3be6f6381074ed6d38929e6eda255922890d778684dd4
[INFO] checking undo-0.51.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate undo 0.51.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate undo 0.51.0 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 undo 0.51.0
[INFO] finished tweaking crates.io crate undo 0.51.0
[INFO] tweaked toml for crates.io crate undo 0.51.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate undo 0.51.0 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-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d60096074b9a018575285be982277dd97481b0029cdba5a55cde191f1180a165
[INFO] running `Command { std: "docker" "start" "-a" "d60096074b9a018575285be982277dd97481b0029cdba5a55cde191f1180a165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d60096074b9a018575285be982277dd97481b0029cdba5a55cde191f1180a165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60096074b9a018575285be982277dd97481b0029cdba5a55cde191f1180a165", kill_on_drop: false }`
[INFO] [stdout] d60096074b9a018575285be982277dd97481b0029cdba5a55cde191f1180a165
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff4d9b7b73087b0241636d087d3fdebe33b5b92a4a18dd17a0972629075f00f
[INFO] running `Command { std: "docker" "start" "-a" "6ff4d9b7b73087b0241636d087d3fdebe33b5b92a4a18dd17a0972629075f00f", 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]        Fixed Cargo.toml (2 fixes)
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking undo v0.51.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Migrating tests/record.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/record.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/history.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/history.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr] error: failed to parse manifest at `/tmp/fixit/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   feature `alloc` includes `serde?/alloc`, but `serde` is not a dependency
[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" "6ff4d9b7b73087b0241636d087d3fdebe33b5b92a4a18dd17a0972629075f00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff4d9b7b73087b0241636d087d3fdebe33b5b92a4a18dd17a0972629075f00f", kill_on_drop: false }`
[INFO] [stdout] 6ff4d9b7b73087b0241636d087d3fdebe33b5b92a4a18dd17a0972629075f00f