[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 beta for pr-78714
[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 beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46d4e9af8212a9b3571ec2ebf5edb80544de02ff9fa86a4b0cee12c17304fb6
[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" "a46d4e9af8212a9b3571ec2ebf5edb80544de02ff9fa86a4b0cee12c17304fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46d4e9af8212a9b3571ec2ebf5edb80544de02ff9fa86a4b0cee12c17304fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46d4e9af8212a9b3571ec2ebf5edb80544de02ff9fa86a4b0cee12c17304fb6", kill_on_drop: false }`
[INFO] [stdout] a46d4e9af8212a9b3571ec2ebf5edb80544de02ff9fa86a4b0cee12c17304fb6
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e0161e8907bcb5c984c50c5e023a8d55a5898e9ad2cbe994e45fc009cc9d84
[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" "a6e0161e8907bcb5c984c50c5e023a8d55a5898e9ad2cbe994e45fc009cc9d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling jansson-sys v0.1.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking glib-sys v0.9.1
[INFO] [stderr]     Checking ring v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking janus-plugin-sys v0.7.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking janus-plugin v0.12.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking janus-plugin-sfu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:183:58
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), ptr::null_mut()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:202:58
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), jsep.as_mut_ref()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:689:9
[INFO] [stdout]     |
[INFO] [stdout] 689 |         &mut PLUGIN,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:183:58
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), ptr::null_mut()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:202:58
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), jsep.as_mut_ref()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:689:9
[INFO] [stdout]     |
[INFO] [stdout] 689 |         &mut PLUGIN,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.60s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6e0161e8907bcb5c984c50c5e023a8d55a5898e9ad2cbe994e45fc009cc9d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e0161e8907bcb5c984c50c5e023a8d55a5898e9ad2cbe994e45fc009cc9d84", kill_on_drop: false }`
[INFO] [stdout] a6e0161e8907bcb5c984c50c5e023a8d55a5898e9ad2cbe994e45fc009cc9d84