[INFO] fetching crate cargo-snippet 0.6.5...
[INFO] checking cargo-snippet-0.6.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cargo-snippet 0.6.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cargo-snippet 0.6.5
[INFO] finished tweaking crates.io crate cargo-snippet 0.6.5
[INFO] tweaked toml for crates.io crate cargo-snippet 0.6.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-snippet 0.6.5 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 cargo-snippet 0.6.5 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v664.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v664.0.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v664.0.0
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v664.0.0
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v664.0.0
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v664.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v664.0.0
[INFO] [stderr]   Downloaded psm v0.1.10
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.18
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v664.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v664.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7b9af708b2229c58c13567afa29ef4d0ee17208d932b187a2212d7ca285b3a3e
[INFO] running `Command { std: "docker" "start" "-a" "7b9af708b2229c58c13567afa29ef4d0ee17208d932b187a2212d7ca285b3a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b9af708b2229c58c13567afa29ef4d0ee17208d932b187a2212d7ca285b3a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9af708b2229c58c13567afa29ef4d0ee17208d932b187a2212d7ca285b3a3e", kill_on_drop: false }`
[INFO] [stdout] 7b9af708b2229c58c13567afa29ef4d0ee17208d932b187a2212d7ca285b3a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b91b7ca66f4dd0cbcb5ab69d665cbe774390b7f306b5889906846a86f62238a2
[INFO] running `Command { std: "docker" "start" "-a" "b91b7ca66f4dd0cbcb5ab69d665cbe774390b7f306b5889906846a86f62238a2", kill_on_drop: false }`
[INFO] [stderr]     Checking cargo-snippet v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "b91b7ca66f4dd0cbcb5ab69d665cbe774390b7f306b5889906846a86f62238a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91b7ca66f4dd0cbcb5ab69d665cbe774390b7f306b5889906846a86f62238a2", kill_on_drop: false }`
[INFO] [stdout] b91b7ca66f4dd0cbcb5ab69d665cbe774390b7f306b5889906846a86f62238a2