[INFO] cloning repository https://github.com/hatoo/cargo-snippet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hatoo/cargo-snippet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2Fcargo-snippet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2Fcargo-snippet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddf4b9c1fe949e014d70f31aab21362f8cbadaaf
[INFO] checking hatoo/cargo-snippet against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2Fcargo-snippet" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hatoo/cargo-snippet on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hatoo/cargo-snippet
[INFO] finished tweaking git repo https://github.com/hatoo/cargo-snippet
[INFO] tweaked toml for git repo https://github.com/hatoo/cargo-snippet written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v677.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v677.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v677.0.0
[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.21
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v677.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d97c9869629c57c46148af3accf33033fefba051cc316ddc7caebc47944362
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28d97c9869629c57c46148af3accf33033fefba051cc316ddc7caebc47944362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d97c9869629c57c46148af3accf33033fefba051cc316ddc7caebc47944362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d97c9869629c57c46148af3accf33033fefba051cc316ddc7caebc47944362", kill_on_drop: false }`
[INFO] [stdout] 28d97c9869629c57c46148af3accf33033fefba051cc316ddc7caebc47944362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cff47152f9d4e435340e7e6b57fade376a17ee03b6091ad6c4fff0f15725242f
[INFO] running `Command { std: "docker" "start" "-a" "cff47152f9d4e435340e7e6b57fade376a17ee03b6091ad6c4fff0f15725242f", kill_on_drop: false }`
[INFO] [stderr]     Checking cargo-snippet v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "cff47152f9d4e435340e7e6b57fade376a17ee03b6091ad6c4fff0f15725242f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff47152f9d4e435340e7e6b57fade376a17ee03b6091ad6c4fff0f15725242f", kill_on_drop: false }`
[INFO] [stdout] cff47152f9d4e435340e7e6b57fade376a17ee03b6091ad6c4fff0f15725242f