[INFO] cloning repository https://github.com/rust-lang/thanks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang/thanks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fthanks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fthanks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 777c6a1325687a85bc75fd822be002145a976701
[INFO] checking rust-lang/thanks against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Fthanks" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang/thanks on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang/thanks
[INFO] removed workspace from git repo https://github.com/rust-lang/thanks
[INFO] removed path dependency mailmap from git repo https://github.com/rust-lang/thanks
[INFO] finished tweaking git repo https://github.com/rust-lang/thanks
[INFO] tweaked toml for git repo https://github.com/rust-lang/thanks written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang/thanks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (mailmap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (mailmap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c749c6b023d16c2d2e412e02c3ac378c90739d741bb1e4341acf9c5b1ab912
[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" "04c749c6b023d16c2d2e412e02c3ac378c90739d741bb1e4341acf9c5b1ab912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c749c6b023d16c2d2e412e02c3ac378c90739d741bb1e4341acf9c5b1ab912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c749c6b023d16c2d2e412e02c3ac378c90739d741bb1e4341acf9c5b1ab912", kill_on_drop: false }`
[INFO] [stdout] 04c749c6b023d16c2d2e412e02c3ac378c90739d741bb1e4341acf9c5b1ab912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6482beb1c0ae6bda59b123a514459ac8bea4c08c8e1155197c1945f39d8dd7ba
[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" "6482beb1c0ae6bda59b123a514459ac8bea4c08c8e1155197c1945f39d8dd7ba", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (mailmap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking mailmap v0.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking openssl-sys v0.9.59
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking thanks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "6482beb1c0ae6bda59b123a514459ac8bea4c08c8e1155197c1945f39d8dd7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6482beb1c0ae6bda59b123a514459ac8bea4c08c8e1155197c1945f39d8dd7ba", kill_on_drop: false }`
[INFO] [stdout] 6482beb1c0ae6bda59b123a514459ac8bea4c08c8e1155197c1945f39d8dd7ba