[INFO] fetching crate buffer-trigger 0.5.0...
[INFO] checking buffer-trigger-0.5.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate buffer-trigger 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate buffer-trigger 0.5.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffer-trigger 0.5.0
[INFO] finished tweaking crates.io crate buffer-trigger 0.5.0
[INFO] tweaked toml for crates.io crate buffer-trigger 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88226b5f73eb0c15a70ceaac88a114a143340e41df804f60b4d28ce25b27e73b
[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" "88226b5f73eb0c15a70ceaac88a114a143340e41df804f60b4d28ce25b27e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88226b5f73eb0c15a70ceaac88a114a143340e41df804f60b4d28ce25b27e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88226b5f73eb0c15a70ceaac88a114a143340e41df804f60b4d28ce25b27e73b", kill_on_drop: false }`
[INFO] [stdout] 88226b5f73eb0c15a70ceaac88a114a143340e41df804f60b4d28ce25b27e73b
[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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b599f22c7c2e297210bbaea90025769561dcb1d9a00dcdb83b1c666ea4d7287
[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" "2b599f22c7c2e297210bbaea90025769561dcb1d9a00dcdb83b1c666ea4d7287", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking buffer-trigger v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.97s
[INFO] running `Command { std: "docker" "inspect" "2b599f22c7c2e297210bbaea90025769561dcb1d9a00dcdb83b1c666ea4d7287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b599f22c7c2e297210bbaea90025769561dcb1d9a00dcdb83b1c666ea4d7287", kill_on_drop: false }`
[INFO] [stdout] 2b599f22c7c2e297210bbaea90025769561dcb1d9a00dcdb83b1c666ea4d7287