[INFO] fetching crate srm 0.3.0...
[INFO] checking srm-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate srm 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate srm 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srm 0.3.0
[INFO] finished tweaking crates.io crate srm 0.3.0
[INFO] tweaked toml for crates.io crate srm 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f72be3c5cec2e8de36a69226b2c1e3c71404dc0e99cf7c321e22228a10210640
[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" "f72be3c5cec2e8de36a69226b2c1e3c71404dc0e99cf7c321e22228a10210640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72be3c5cec2e8de36a69226b2c1e3c71404dc0e99cf7c321e22228a10210640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72be3c5cec2e8de36a69226b2c1e3c71404dc0e99cf7c321e22228a10210640", kill_on_drop: false }`
[INFO] [stdout] f72be3c5cec2e8de36a69226b2c1e3c71404dc0e99cf7c321e22228a10210640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e23d166c84b33bb09285bb94559f394b23e2b4a1db29332e1be202c3efcf503
[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" "3e23d166c84b33bb09285bb94559f394b23e2b4a1db29332e1be202c3efcf503", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking capnp v0.9.5
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking srm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/node.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn get_type(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `library`
[INFO] [stdout]   --> src/node_plugin.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     library: Library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_max_callbacks`
[INFO] [stdout]    --> src/static_core.rs:689:12
[INFO] [stdout]     |
[INFO] [stdout] 689 |     pub fn with_max_callbacks(name: String, msg_type: u64, max_num_callbacks: usize) -> Channel {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `publish_nonblocking`
[INFO] [stdout]    --> src/static_core.rs:747:12
[INFO] [stdout]     |
[INFO] [stdout] 747 |     pub fn publish_nonblocking(&self, allocator: alloc::CacheAlignedAllocator) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/node.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn get_type(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `library`
[INFO] [stdout]   --> src/node_plugin.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     library: Library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_max_callbacks`
[INFO] [stdout]    --> src/static_core.rs:689:12
[INFO] [stdout]     |
[INFO] [stdout] 689 |     pub fn with_max_callbacks(name: String, msg_type: u64, max_num_callbacks: usize) -> Channel {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `publish_nonblocking`
[INFO] [stdout]    --> src/static_core.rs:747:12
[INFO] [stdout]     |
[INFO] [stdout] 747 |     pub fn publish_nonblocking(&self, allocator: alloc::CacheAlignedAllocator) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `Command { std: "docker" "inspect" "3e23d166c84b33bb09285bb94559f394b23e2b4a1db29332e1be202c3efcf503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e23d166c84b33bb09285bb94559f394b23e2b4a1db29332e1be202c3efcf503", kill_on_drop: false }`
[INFO] [stdout] 3e23d166c84b33bb09285bb94559f394b23e2b4a1db29332e1be202c3efcf503