[INFO] fetching crate leftpad-rs 1.2.0...
[INFO] checking leftpad-rs-1.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate leftpad-rs 1.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate leftpad-rs 1.2.0
[INFO] finished tweaking crates.io crate leftpad-rs 1.2.0
[INFO] tweaked toml for crates.io crate leftpad-rs 1.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leftpad-rs 1.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate leftpad-rs 1.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e703dd9b8a9f8137d68905150a7a79a62a74bb8ec7ca0b334775d26e5a7fbe7a
[INFO] running `Command { std: "docker" "start" "-a" "e703dd9b8a9f8137d68905150a7a79a62a74bb8ec7ca0b334775d26e5a7fbe7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e703dd9b8a9f8137d68905150a7a79a62a74bb8ec7ca0b334775d26e5a7fbe7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e703dd9b8a9f8137d68905150a7a79a62a74bb8ec7ca0b334775d26e5a7fbe7a", kill_on_drop: false }`
[INFO] [stdout] e703dd9b8a9f8137d68905150a7a79a62a74bb8ec7ca0b334775d26e5a7fbe7a
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b8f73ac45775c4bae58410166936afe30b262267d517b522ad0748c3ca1acd
[INFO] running `Command { std: "docker" "start" "-a" "b2b8f73ac45775c4bae58410166936afe30b262267d517b522ad0748c3ca1acd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking leftpad-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest v0.11.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rstest v0.11.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b2b8f73ac45775c4bae58410166936afe30b262267d517b522ad0748c3ca1acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b8f73ac45775c4bae58410166936afe30b262267d517b522ad0748c3ca1acd", kill_on_drop: false }`
[INFO] [stdout] b2b8f73ac45775c4bae58410166936afe30b262267d517b522ad0748c3ca1acd