[INFO] cloning repository https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/That3Percent/twitter-sentiment-graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92daa6d4887ccecff9d74add81a57d35a4199ad1
[INFO] checking That3Percent/twitter-sentiment-graphs against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs" "/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/That3Percent/twitter-sentiment-graphs on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] finished tweaking git repo https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] tweaked toml for git repo https://github.com/That3Percent/twitter-sentiment-graphs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/That3Percent/twitter-sentiment-graphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a97b38d5f99c37d3cfa38620d821e1717c860165480f14090b82051af5c9959
[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" "8a97b38d5f99c37d3cfa38620d821e1717c860165480f14090b82051af5c9959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a97b38d5f99c37d3cfa38620d821e1717c860165480f14090b82051af5c9959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a97b38d5f99c37d3cfa38620d821e1717c860165480f14090b82051af5c9959", kill_on_drop: false }`
[INFO] [stdout] 8a97b38d5f99c37d3cfa38620d821e1717c860165480f14090b82051af5c9959
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557469becc490ae0d3d624b1078c3ad51bdfafdab19f79a2e54dda2b67ceae1d
[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" "557469becc490ae0d3d624b1078c3ad51bdfafdab19f79a2e54dda2b67ceae1d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking second-stack v0.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stdout] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:108:33
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let bottom = Global.alloc(layout).unwrap().as_ptr(); // TODO: There may be mitigation, like not doubling in size.
[INFO] [stdout]     |                                 ^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 Global.dealloc(bottom, layout);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr] error: could not compile `second-stack`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "557469becc490ae0d3d624b1078c3ad51bdfafdab19f79a2e54dda2b67ceae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557469becc490ae0d3d624b1078c3ad51bdfafdab19f79a2e54dda2b67ceae1d", kill_on_drop: false }`
[INFO] [stdout] 557469becc490ae0d3d624b1078c3ad51bdfafdab19f79a2e54dda2b67ceae1d