[INFO] fetching crate srm 0.3.0...
[INFO] checking srm-0.3.0 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate srm 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate srm 0.3.0 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnp v0.9.5
[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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac8587782f3ceee5b2bd66d10e6ccf4965b2ffcd420547111705cfc50911aeff
[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" "ac8587782f3ceee5b2bd66d10e6ccf4965b2ffcd420547111705cfc50911aeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8587782f3ceee5b2bd66d10e6ccf4965b2ffcd420547111705cfc50911aeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8587782f3ceee5b2bd66d10e6ccf4965b2ffcd420547111705cfc50911aeff", kill_on_drop: false }`
[INFO] [stdout] ac8587782f3ceee5b2bd66d10e6ccf4965b2ffcd420547111705cfc50911aeff
[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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29819e2a6dea891b2e63a0eba6c908b4a59b61d67517d1a61e2decf16d3ae06e
[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" "29819e2a6dea891b2e63a0eba6c908b4a59b61d67517d1a61e2decf16d3ae06e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking capnp v0.9.5
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking ctrlc v3.1.6
[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 23.51s
[INFO] running `Command { std: "docker" "inspect" "29819e2a6dea891b2e63a0eba6c908b4a59b61d67517d1a61e2decf16d3ae06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29819e2a6dea891b2e63a0eba6c908b4a59b61d67517d1a61e2decf16d3ae06e", kill_on_drop: false }`
[INFO] [stdout] 29819e2a6dea891b2e63a0eba6c908b4a59b61d67517d1a61e2decf16d3ae06e