[INFO] fetching crate srm 0.3.0...
[INFO] testing srm-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate srm 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate srm 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e95f1c44f131f2e1fb6e44e0dd53ba4003132e5fd7b49dcbd3a0d18b2a77d12
[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" "0e95f1c44f131f2e1fb6e44e0dd53ba4003132e5fd7b49dcbd3a0d18b2a77d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e95f1c44f131f2e1fb6e44e0dd53ba4003132e5fd7b49dcbd3a0d18b2a77d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e95f1c44f131f2e1fb6e44e0dd53ba4003132e5fd7b49dcbd3a0d18b2a77d12", kill_on_drop: false }`
[INFO] [stdout] 0e95f1c44f131f2e1fb6e44e0dd53ba4003132e5fd7b49dcbd3a0d18b2a77d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363e54eec4c9eb5b0d39f61a621c31899afac1825815de698008349a18a3e783
[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" "363e54eec4c9eb5b0d39f61a621c31899afac1825815de698008349a18a3e783", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling capnp v0.9.5
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.39s
[INFO] running `Command { std: "docker" "inspect" "363e54eec4c9eb5b0d39f61a621c31899afac1825815de698008349a18a3e783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363e54eec4c9eb5b0d39f61a621c31899afac1825815de698008349a18a3e783", kill_on_drop: false }`
[INFO] [stdout] 363e54eec4c9eb5b0d39f61a621c31899afac1825815de698008349a18a3e783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c012e09c91d7a415315e49711561e524032ccfb83212ef5240762abdfab62717
[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" "c012e09c91d7a415315e49711561e524032ccfb83212ef5240762abdfab62717", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "c012e09c91d7a415315e49711561e524032ccfb83212ef5240762abdfab62717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c012e09c91d7a415315e49711561e524032ccfb83212ef5240762abdfab62717", kill_on_drop: false }`
[INFO] [stdout] c012e09c91d7a415315e49711561e524032ccfb83212ef5240762abdfab62717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f96c2ebaa2e0e5d7496ade3f2fda4d128263f2701e12816e8867fe62947e6818
[INFO] running `Command { std: "docker" "start" "-a" "f96c2ebaa2e0e5d7496ade3f2fda4d128263f2701e12816e8867fe62947e6818", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `get_type`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/node.rs:98:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 98 |     pub fn get_type(&self) -> &str {
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `library`
[INFO] [stderr]   --> src/node_plugin.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     library: Library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_max_callbacks`
[INFO] [stderr]    --> src/static_core.rs:689:12
[INFO] [stderr]     |
[INFO] [stderr] 689 |     pub fn with_max_callbacks(name: String, msg_type: u64, max_num_callbacks: usize) -> Channel {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `publish_nonblocking`
[INFO] [stderr]    --> src/static_core.rs:747:12
[INFO] [stderr]     |
[INFO] [stderr] 747 |     pub fn publish_nonblocking(&self, allocator: alloc::CacheAlignedAllocator) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/srm-3609992f8f9debdc
[INFO] running `Command { std: "docker" "inspect" "f96c2ebaa2e0e5d7496ade3f2fda4d128263f2701e12816e8867fe62947e6818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96c2ebaa2e0e5d7496ade3f2fda4d128263f2701e12816e8867fe62947e6818", kill_on_drop: false }`
[INFO] [stdout] f96c2ebaa2e0e5d7496ade3f2fda4d128263f2701e12816e8867fe62947e6818