[INFO] fetching crate direct-asm 0.0.1-alpha...
[INFO] testing direct-asm-0.0.1-alpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate direct-asm 0.0.1-alpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate direct-asm 0.0.1-alpha 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 direct-asm 0.0.1-alpha
[INFO] finished tweaking crates.io crate direct-asm 0.0.1-alpha
[INFO] tweaked toml for crates.io crate direct-asm 0.0.1-alpha written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6df42c3d85161b9558ec435995781a63c0d603aa90b26fbec08f3ec65a1aafc6
[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" "6df42c3d85161b9558ec435995781a63c0d603aa90b26fbec08f3ec65a1aafc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df42c3d85161b9558ec435995781a63c0d603aa90b26fbec08f3ec65a1aafc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df42c3d85161b9558ec435995781a63c0d603aa90b26fbec08f3ec65a1aafc6", kill_on_drop: false }`
[INFO] [stdout] 6df42c3d85161b9558ec435995781a63c0d603aa90b26fbec08f3ec65a1aafc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b278b0a084667110de82e0474f0e95cf8556a1394d41ae0d74b7b08038524549
[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" "b278b0a084667110de82e0474f0e95cf8556a1394d41ae0d74b7b08038524549", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynasm-lib v0.1.0-alpha
[INFO] [stderr]    Compiling direct-asm v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/att.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_statement`
[INFO] [stdout]    --> src/att.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn as_statement(&self) -> Option<&Statement> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_directive`
[INFO] [stdout]    --> src/att.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn as_directive(&self) -> Option<&Directive> {
[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 10.46s
[INFO] running `Command { std: "docker" "inspect" "b278b0a084667110de82e0474f0e95cf8556a1394d41ae0d74b7b08038524549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b278b0a084667110de82e0474f0e95cf8556a1394d41ae0d74b7b08038524549", kill_on_drop: false }`
[INFO] [stdout] b278b0a084667110de82e0474f0e95cf8556a1394d41ae0d74b7b08038524549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fa7464eba99cec1f5d955fd75ba01ee6243f62effd384d94585a100ad4681651
[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" "fa7464eba99cec1f5d955fd75ba01ee6243f62effd384d94585a100ad4681651", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/att.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling direct-asm v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `as_statement`
[INFO] [stdout]    --> src/att.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn as_statement(&self) -> Option<&Statement> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_directive`
[INFO] [stdout]    --> src/att.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn as_directive(&self) -> Option<&Directive> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/att.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "fa7464eba99cec1f5d955fd75ba01ee6243f62effd384d94585a100ad4681651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7464eba99cec1f5d955fd75ba01ee6243f62effd384d94585a100ad4681651", kill_on_drop: false }`
[INFO] [stdout] fa7464eba99cec1f5d955fd75ba01ee6243f62effd384d94585a100ad4681651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e5055795a1731da98723eae74877769a265a47e6c743b5fb29097b39ee7b09ce
[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" "e5055795a1731da98723eae74877769a265a47e6c743b5fb29097b39ee7b09ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `st`
[INFO] [stderr]    --> src/att.rs:324:17
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_statement`
[INFO] [stderr]    --> src/att.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn as_statement(&self) -> Option<&Statement> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_directive`
[INFO] [stderr]    --> src/att.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn as_directive(&self) -> Option<&Directive> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `st`
[INFO] [stderr]    --> src/att.rs:324:17
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn from_str(st: &str) -> Result<Self, Error> {
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/direct_asm-f0110585b5b882fe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests direct-asm
[INFO] [stdout] test att::tests::parses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5055795a1731da98723eae74877769a265a47e6c743b5fb29097b39ee7b09ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5055795a1731da98723eae74877769a265a47e6c743b5fb29097b39ee7b09ce", kill_on_drop: false }`
[INFO] [stdout] e5055795a1731da98723eae74877769a265a47e6c743b5fb29097b39ee7b09ce