[INFO] fetching crate os_stat 0.1.0...
[INFO] checking os_stat-0.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate os_stat 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate os_stat 0.1.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os_stat 0.1.0
[INFO] finished tweaking crates.io crate os_stat 0.1.0
[INFO] tweaked toml for crates.io crate os_stat 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c60655ce506c94ee0d732966d8d693b43410d8fb1359b86cd3203a514d0491
[INFO] running `Command { std: "docker" "start" "-a" "13c60655ce506c94ee0d732966d8d693b43410d8fb1359b86cd3203a514d0491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c60655ce506c94ee0d732966d8d693b43410d8fb1359b86cd3203a514d0491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c60655ce506c94ee0d732966d8d693b43410d8fb1359b86cd3203a514d0491", kill_on_drop: false }`
[INFO] [stdout] 13c60655ce506c94ee0d732966d8d693b43410d8fb1359b86cd3203a514d0491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c9398284392100a3b02b974d8ff416cb18e2a13d47d30392129f692358e63a0
[INFO] running `Command { std: "docker" "start" "-a" "0c9398284392100a3b02b974d8ff416cb18e2a13d47d30392129f692358e63a0", kill_on_drop: false }`
[INFO] [stderr]     Checking os_stat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter` in the current scope
[INFO] [stdout]   --> src/cpu.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |         stat.total = vals.into_iter().fold_first(|acc, val| acc + val).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^^^ method not found in `IntoIter<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter` in the current scope
[INFO] [stdout]   --> src/cpu.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |         stat.total = vals.into_iter().fold_first(|acc, val| acc + val).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^^^ method not found in `IntoIter<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os_stat` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `os_stat` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0c9398284392100a3b02b974d8ff416cb18e2a13d47d30392129f692358e63a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9398284392100a3b02b974d8ff416cb18e2a13d47d30392129f692358e63a0", kill_on_drop: false }`
[INFO] [stdout] 0c9398284392100a3b02b974d8ff416cb18e2a13d47d30392129f692358e63a0