[INFO] cloning repository https://github.com/Codehackerone/rust_todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Codehackerone/rust_todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodehackerone%2Frust_todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodehackerone%2Frust_todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1fc477dda553a604326401f8741b78efa3476a3
[INFO] testing Codehackerone/rust_todo against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodehackerone%2Frust_todo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Codehackerone/rust_todo on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Codehackerone/rust_todo
[INFO] finished tweaking git repo https://github.com/Codehackerone/rust_todo
[INFO] tweaked toml for git repo https://github.com/Codehackerone/rust_todo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Codehackerone/rust_todo 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" "+1.75.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae91b0793fa2fc48c386f874ec3cca9ee6955ee22bde2a1794c1ff40b63a62ac
[INFO] running `Command { std: "docker" "start" "-a" "ae91b0793fa2fc48c386f874ec3cca9ee6955ee22bde2a1794c1ff40b63a62ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae91b0793fa2fc48c386f874ec3cca9ee6955ee22bde2a1794c1ff40b63a62ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae91b0793fa2fc48c386f874ec3cca9ee6955ee22bde2a1794c1ff40b63a62ac", kill_on_drop: false }`
[INFO] [stdout] ae91b0793fa2fc48c386f874ec3cca9ee6955ee22bde2a1794c1ff40b63a62ac
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5b7953562991fa2fee752970c252013ff95de30395e483fccc61341bc509a4
[INFO] running `Command { std: "docker" "start" "-a" "1e5b7953562991fa2fee752970c252013ff95de30395e483fccc61341bc509a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/main.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match serde_json::from_reader(f) {
[INFO] [stdout]    |               ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         serde_json::to_writer_pretty(f, &self.map)?;
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cli` (bin "todo-cli") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1e5b7953562991fa2fee752970c252013ff95de30395e483fccc61341bc509a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5b7953562991fa2fee752970c252013ff95de30395e483fccc61341bc509a4", kill_on_drop: false }`
[INFO] [stdout] 1e5b7953562991fa2fee752970c252013ff95de30395e483fccc61341bc509a4
[INFO] testing Codehackerone/rust_todo against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodehackerone%2Frust_todo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Codehackerone/rust_todo on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Codehackerone/rust_todo
[INFO] finished tweaking git repo https://github.com/Codehackerone/rust_todo
[INFO] tweaked toml for git repo https://github.com/Codehackerone/rust_todo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Codehackerone/rust_todo 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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f2ae0273da6d49f5d1377bee050a7ab09de4f571ac789c526f0099761778ae0
[INFO] running `Command { std: "docker" "start" "-a" "0f2ae0273da6d49f5d1377bee050a7ab09de4f571ac789c526f0099761778ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f2ae0273da6d49f5d1377bee050a7ab09de4f571ac789c526f0099761778ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2ae0273da6d49f5d1377bee050a7ab09de4f571ac789c526f0099761778ae0", kill_on_drop: false }`
[INFO] [stdout] 0f2ae0273da6d49f5d1377bee050a7ab09de4f571ac789c526f0099761778ae0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c36feb954619420c819e8acb5403ab4bc9da2892f6ceb43c1b0eae31de472cf
[INFO] running `Command { std: "docker" "start" "-a" "2c36feb954619420c819e8acb5403ab4bc9da2892f6ceb43c1b0eae31de472cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/main.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match serde_json::from_reader(f) {
[INFO] [stdout]    |               ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         serde_json::to_writer_pretty(f, &self.map)?;
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cli` (bin "todo-cli") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c36feb954619420c819e8acb5403ab4bc9da2892f6ceb43c1b0eae31de472cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c36feb954619420c819e8acb5403ab4bc9da2892f6ceb43c1b0eae31de472cf", kill_on_drop: false }`
[INFO] [stdout] 2c36feb954619420c819e8acb5403ab4bc9da2892f6ceb43c1b0eae31de472cf
