[INFO] crate cargo-sym 0.0.6 is already in cache
[INFO] testing cargo-sym-0.0.6 against 1.45.2 for beta-1.46-1
[INFO] extracting crate cargo-sym 0.0.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo-sym 0.0.6 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-sym 0.0.6
[INFO] finished tweaking crates.io crate cargo-sym 0.0.6
[INFO] tweaked toml for crates.io crate cargo-sym 0.0.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] a57a3db84760bd757d564b2d2a9c580e4f31ef5cab9e63b71ce66fdc4944b3bb
[INFO] running `Command { std: "docker" "start" "-a" "a57a3db84760bd757d564b2d2a9c580e4f31ef5cab9e63b71ce66fdc4944b3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57a3db84760bd757d564b2d2a9c580e4f31ef5cab9e63b71ce66fdc4944b3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57a3db84760bd757d564b2d2a9c580e4f31ef5cab9e63b71ce66fdc4944b3bb", kill_on_drop: false }`
[INFO] [stdout] a57a3db84760bd757d564b2d2a9c580e4f31ef5cab9e63b71ce66fdc4944b3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e15b4eb54398aec8f7eade54437ba2fa7d46dccae1d6c457839e75e9d07d3428
[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" "e15b4eb54398aec8f7eade54437ba2fa7d46dccae1d6c457839e75e9d07d3428", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.3.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling capstone-sys v0.2.0
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling scroll_derive v0.3.0
[INFO] [stderr]    Compiling goblin v0.0.8
[INFO] [stderr]    Compiling capstone3 v0.1.0
[INFO] [stderr]    Compiling cargo-sym v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.81s
[INFO] running `Command { std: "docker" "inspect" "e15b4eb54398aec8f7eade54437ba2fa7d46dccae1d6c457839e75e9d07d3428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15b4eb54398aec8f7eade54437ba2fa7d46dccae1d6c457839e75e9d07d3428", kill_on_drop: false }`
[INFO] [stdout] e15b4eb54398aec8f7eade54437ba2fa7d46dccae1d6c457839e75e9d07d3428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d321a7da06484223673355ef8ec0bdf91c149eded0eb0f5cd2a52ed8fc9db69
[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" "2d321a7da06484223673355ef8ec0bdf91c149eded0eb0f5cd2a52ed8fc9db69", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-sym v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "2d321a7da06484223673355ef8ec0bdf91c149eded0eb0f5cd2a52ed8fc9db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d321a7da06484223673355ef8ec0bdf91c149eded0eb0f5cd2a52ed8fc9db69", kill_on_drop: false }`
[INFO] [stdout] 2d321a7da06484223673355ef8ec0bdf91c149eded0eb0f5cd2a52ed8fc9db69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c98977945929d8becb6b6fff1d9447f0780392aaf91c931741acd270e5ac3cc3
[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" "c98977945929d8becb6b6fff1d9447f0780392aaf91c931741acd270e5ac3cc3", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_sym-2467939cd4a100ba
[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" "c98977945929d8becb6b6fff1d9447f0780392aaf91c931741acd270e5ac3cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98977945929d8becb6b6fff1d9447f0780392aaf91c931741acd270e5ac3cc3", kill_on_drop: false }`
[INFO] [stdout] c98977945929d8becb6b6fff1d9447f0780392aaf91c931741acd270e5ac3cc3