[INFO] fetching crate libsdl 1.4.7...
[INFO] testing libsdl-1.4.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate libsdl 1.4.7 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate libsdl 1.4.7
[INFO] finished tweaking crates.io crate libsdl 1.4.7
[INFO] tweaked toml for crates.io crate libsdl 1.4.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libsdl 1.4.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ae9ef1476cd8fd961486dfc7a0f33e751d7dbb120056d9c7e0e0e036bc16f7
[INFO] running `Command { std: "docker" "start" "-a" "58ae9ef1476cd8fd961486dfc7a0f33e751d7dbb120056d9c7e0e0e036bc16f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ae9ef1476cd8fd961486dfc7a0f33e751d7dbb120056d9c7e0e0e036bc16f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ae9ef1476cd8fd961486dfc7a0f33e751d7dbb120056d9c7e0e0e036bc16f7", kill_on_drop: false }`
[INFO] [stdout] 58ae9ef1476cd8fd961486dfc7a0f33e751d7dbb120056d9c7e0e0e036bc16f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d14f2008c4396b0f393e798ac5f0e67951ceabb88715b4a2c9577684175ca66e
[INFO] running `Command { std: "docker" "start" "-a" "d14f2008c4396b0f393e798ac5f0e67951ceabb88715b4a2c9577684175ca66e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsdl v1.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `data_string` is never read
[INFO] [stdout]   --> src/lib.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut data_string : String = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d14f2008c4396b0f393e798ac5f0e67951ceabb88715b4a2c9577684175ca66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14f2008c4396b0f393e798ac5f0e67951ceabb88715b4a2c9577684175ca66e", kill_on_drop: false }`
[INFO] [stdout] d14f2008c4396b0f393e798ac5f0e67951ceabb88715b4a2c9577684175ca66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38132dfe606e79acef33d1ccfc447a2a75b5be574f95e342ae34ee9e3ce1911f
[INFO] running `Command { std: "docker" "start" "-a" "38132dfe606e79acef33d1ccfc447a2a75b5be574f95e342ae34ee9e3ce1911f", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `data_string` is never read
[INFO] [stdout]   --> src/lib.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut data_string : String = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libsdl v1.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `data_string` is never read
[INFO] [stdout]   --> src/lib.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut data_string : String = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "38132dfe606e79acef33d1ccfc447a2a75b5be574f95e342ae34ee9e3ce1911f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38132dfe606e79acef33d1ccfc447a2a75b5be574f95e342ae34ee9e3ce1911f", kill_on_drop: false }`
[INFO] [stdout] 38132dfe606e79acef33d1ccfc447a2a75b5be574f95e342ae34ee9e3ce1911f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb2d33e8581f6258e9df3839922e0823a1caa33e69f4673289e578530ef53cce
[INFO] running `Command { std: "docker" "start" "-a" "fb2d33e8581f6258e9df3839922e0823a1caa33e69f4673289e578530ef53cce", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `data_string` is never read
[INFO] [stderr]   --> src/lib.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut data_string : String = String::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `libsdl` (lib) generated 1 warning
[INFO] [stderr] warning: `libsdl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libsdl-9bae53d914b70ab4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libsdl
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb2d33e8581f6258e9df3839922e0823a1caa33e69f4673289e578530ef53cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2d33e8581f6258e9df3839922e0823a1caa33e69f4673289e578530ef53cce", kill_on_drop: false }`
[INFO] [stdout] fb2d33e8581f6258e9df3839922e0823a1caa33e69f4673289e578530ef53cce