[INFO] fetching crate peekable_next 0.2.0...
[INFO] building peekable_next-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate peekable_next 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate peekable_next 0.2.0
[INFO] finished tweaking crates.io crate peekable_next 0.2.0
[INFO] tweaked toml for crates.io crate peekable_next 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peekable_next 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b0422fb26d0249948b1150e51109a7c4dea2216c6275a14268e1898f12fd72
[INFO] running `Command { std: "docker" "start" "-a" "b1b0422fb26d0249948b1150e51109a7c4dea2216c6275a14268e1898f12fd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b0422fb26d0249948b1150e51109a7c4dea2216c6275a14268e1898f12fd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b0422fb26d0249948b1150e51109a7c4dea2216c6275a14268e1898f12fd72", kill_on_drop: false }`
[INFO] [stdout] b1b0422fb26d0249948b1150e51109a7c4dea2216c6275a14268e1898f12fd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7339e63a0b08b849c9fd0edde9f89d35d8c97033bc82eb1a8f490ecc44fb2aae
[INFO] running `Command { std: "docker" "start" "-a" "7339e63a0b08b849c9fd0edde9f89d35d8c97033bc82eb1a8f490ecc44fb2aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable_next v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "7339e63a0b08b849c9fd0edde9f89d35d8c97033bc82eb1a8f490ecc44fb2aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7339e63a0b08b849c9fd0edde9f89d35d8c97033bc82eb1a8f490ecc44fb2aae", kill_on_drop: false }`
[INFO] [stdout] 7339e63a0b08b849c9fd0edde9f89d35d8c97033bc82eb1a8f490ecc44fb2aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef0c219859ee37de7385b8119f0af66f084eb2ec6e911f188b2f3b7d73b6a64
[INFO] running `Command { std: "docker" "start" "-a" "5ef0c219859ee37de7385b8119f0af66f084eb2ec6e911f188b2f3b7d73b6a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekable_next v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "5ef0c219859ee37de7385b8119f0af66f084eb2ec6e911f188b2f3b7d73b6a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef0c219859ee37de7385b8119f0af66f084eb2ec6e911f188b2f3b7d73b6a64", kill_on_drop: false }`
[INFO] [stdout] 5ef0c219859ee37de7385b8119f0af66f084eb2ec6e911f188b2f3b7d73b6a64