[INFO] cloning repository https://github.com/mozilla/janus-plugin-sfu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla/janus-plugin-sfu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3694c36040eea4de1e80b83447a3625156454956
[INFO] checking mozilla/janus-plugin-sfu against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu 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 git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] finished tweaking git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] tweaked toml for git repo https://github.com/mozilla/janus-plugin-sfu written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/janus-plugin-sfu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ba3451b5143be20a3e2e0c383a0c4e529add3ab01b9e14b924a82f66a1499247
[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" "ba3451b5143be20a3e2e0c383a0c4e529add3ab01b9e14b924a82f66a1499247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba3451b5143be20a3e2e0c383a0c4e529add3ab01b9e14b924a82f66a1499247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3451b5143be20a3e2e0c383a0c4e529add3ab01b9e14b924a82f66a1499247", kill_on_drop: false }`
[INFO] [stdout] ba3451b5143be20a3e2e0c383a0c4e529add3ab01b9e14b924a82f66a1499247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] fd63d719a72c36d24f9d14c7b2cc9b1e3e7f81da5f1da930448a1fb7ac1731cd
[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" "fd63d719a72c36d24f9d14c7b2cc9b1e3e7f81da5f1da930448a1fb7ac1731cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling jansson-sys v0.1.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking janus-plugin-sys v0.7.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking janus-plugin v0.12.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking janus-plugin-sfu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.77s
[INFO] running `Command { std: "docker" "inspect" "fd63d719a72c36d24f9d14c7b2cc9b1e3e7f81da5f1da930448a1fb7ac1731cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd63d719a72c36d24f9d14c7b2cc9b1e3e7f81da5f1da930448a1fb7ac1731cd", kill_on_drop: false }`
[INFO] [stdout] fd63d719a72c36d24f9d14c7b2cc9b1e3e7f81da5f1da930448a1fb7ac1731cd