[INFO] fetching crate bitcoin_num 0.2.3...
[INFO] checking bitcoin_num-0.2.3 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitcoin_num 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bitcoin_num 0.2.3 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin_num 0.2.3
[INFO] finished tweaking crates.io crate bitcoin_num 0.2.3
[INFO] tweaked toml for crates.io crate bitcoin_num 0.2.3 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7589c75269a148c84c547bb5180f7b35ca97f5375c41ae38f820d32b0a481b5c
[INFO] running `Command { std: "docker" "start" "-a" "7589c75269a148c84c547bb5180f7b35ca97f5375c41ae38f820d32b0a481b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7589c75269a148c84c547bb5180f7b35ca97f5375c41ae38f820d32b0a481b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7589c75269a148c84c547bb5180f7b35ca97f5375c41ae38f820d32b0a481b5c", kill_on_drop: false }`
[INFO] [stdout] 7589c75269a148c84c547bb5180f7b35ca97f5375c41ae38f820d32b0a481b5c
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a037bb4f4451668301c4f9b4bd41d1783c7fc773e220309f1ad326f06799ae7
[INFO] running `Command { std: "docker" "start" "-a" "6a037bb4f4451668301c4f9b4bd41d1783c7fc773e220309f1ad326f06799ae7", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking bitcoin_num v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]    --> src/hex.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use super::*;
[INFO] [stdout]     |         -------- the item `fmt` is already imported here
[INFO] [stdout] 272 |
[INFO] [stdout] 273 |     use core::fmt;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "6a037bb4f4451668301c4f9b4bd41d1783c7fc773e220309f1ad326f06799ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a037bb4f4451668301c4f9b4bd41d1783c7fc773e220309f1ad326f06799ae7", kill_on_drop: false }`
[INFO] [stdout] 6a037bb4f4451668301c4f9b4bd41d1783c7fc773e220309f1ad326f06799ae7
[INFO] checking bitcoin_num-0.2.3 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bitcoin_num 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bitcoin_num 0.2.3 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin_num 0.2.3
[INFO] finished tweaking crates.io crate bitcoin_num 0.2.3
[INFO] tweaked toml for crates.io crate bitcoin_num 0.2.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67e42d74af7fdc86f52dc138b8ea5b31cc7c901d14d3fc411d2620f7f14224af
[INFO] running `Command { std: "docker" "start" "-a" "67e42d74af7fdc86f52dc138b8ea5b31cc7c901d14d3fc411d2620f7f14224af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67e42d74af7fdc86f52dc138b8ea5b31cc7c901d14d3fc411d2620f7f14224af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e42d74af7fdc86f52dc138b8ea5b31cc7c901d14d3fc411d2620f7f14224af", kill_on_drop: false }`
[INFO] [stdout] 67e42d74af7fdc86f52dc138b8ea5b31cc7c901d14d3fc411d2620f7f14224af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e596473120b263c1e6e447f0b2680b6c38e18cd08a7e4abfd684c782cb9a13
[INFO] running `Command { std: "docker" "start" "-a" "41e596473120b263c1e6e447f0b2680b6c38e18cd08a7e4abfd684c782cb9a13", kill_on_drop: false }`
[INFO] [stderr]     Checking bitcoin_num v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]    --> src/hex.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use super::*;
[INFO] [stdout]     |         -------- the item `fmt` is already imported here
[INFO] [stdout] 272 |
[INFO] [stdout] 273 |     use core::fmt;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "41e596473120b263c1e6e447f0b2680b6c38e18cd08a7e4abfd684c782cb9a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e596473120b263c1e6e447f0b2680b6c38e18cd08a7e4abfd684c782cb9a13", kill_on_drop: false }`
[INFO] [stdout] 41e596473120b263c1e6e447f0b2680b6c38e18cd08a7e4abfd684c782cb9a13
