[INFO] cloning repository https://github.com/theoteck/rust_unfollow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theoteck/rust_unfollow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheoteck%2Frust_unfollow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheoteck%2Frust_unfollow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93348065f2800cce939e9d44b5da5bfed8d12cde
[INFO] checking theoteck/rust_unfollow against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheoteck%2Frust_unfollow" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theoteck/rust_unfollow on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theoteck/rust_unfollow
[INFO] finished tweaking git repo https://github.com/theoteck/rust_unfollow
[INFO] tweaked toml for git repo https://github.com/theoteck/rust_unfollow written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/theoteck/rust_unfollow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/atroche/rust-headless-chrome.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded derive_builder v0.8.1
[INFO] [stderr]   Downloaded derive_builder_core v0.8.1
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", 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] 0f9a0a3210cea597203e3e2a78a00432c93cc0d6349381042ef6f3d3cc568cd0
[INFO] running `Command { std: "docker" "start" "-a" "0f9a0a3210cea597203e3e2a78a00432c93cc0d6349381042ef6f3d3cc568cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9a0a3210cea597203e3e2a78a00432c93cc0d6349381042ef6f3d3cc568cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9a0a3210cea597203e3e2a78a00432c93cc0d6349381042ef6f3d3cc568cd0", kill_on_drop: false }`
[INFO] [stdout] 0f9a0a3210cea597203e3e2a78a00432c93cc0d6349381042ef6f3d3cc568cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a87a068dc08a06783f8b177c6090850c3cb284cb0c936d63ee06ffb20aa60ef
[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" "0a87a068dc08a06783f8b177c6090850c3cb284cb0c936d63ee06ffb20aa60ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling derive_builder v0.8.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking websocket v0.23.0
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.8.1
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking headless_chrome v0.9.0 (https://github.com/atroche/rust-headless-chrome.git#1f63d697)
[INFO] [stderr]     Checking rust_unfollow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "0a87a068dc08a06783f8b177c6090850c3cb284cb0c936d63ee06ffb20aa60ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a87a068dc08a06783f8b177c6090850c3cb284cb0c936d63ee06ffb20aa60ef", kill_on_drop: false }`
[INFO] [stdout] 0a87a068dc08a06783f8b177c6090850c3cb284cb0c936d63ee06ffb20aa60ef