[INFO] fetching crate matux 0.1.0...
[INFO] testing matux-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate matux 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate matux 0.1.0
[INFO] finished tweaking crates.io crate matux 0.1.0
[INFO] tweaked toml for crates.io crate matux 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matux 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed065e1777158e1f985442944437f73723aca83ba2cf14616d2138f2da9c3fbe
[INFO] running `Command { std: "docker" "start" "-a" "ed065e1777158e1f985442944437f73723aca83ba2cf14616d2138f2da9c3fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed065e1777158e1f985442944437f73723aca83ba2cf14616d2138f2da9c3fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed065e1777158e1f985442944437f73723aca83ba2cf14616d2138f2da9c3fbe", kill_on_drop: false }`
[INFO] [stdout] ed065e1777158e1f985442944437f73723aca83ba2cf14616d2138f2da9c3fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16abe75c6ee0b459a126514ea2fb62bfa5142881ace63a297ae0ecb55bec250c
[INFO] running `Command { std: "docker" "start" "-a" "16abe75c6ee0b459a126514ea2fb62bfa5142881ace63a297ae0ecb55bec250c", kill_on_drop: false }`
[INFO] [stderr]    Compiling matux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "16abe75c6ee0b459a126514ea2fb62bfa5142881ace63a297ae0ecb55bec250c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16abe75c6ee0b459a126514ea2fb62bfa5142881ace63a297ae0ecb55bec250c", kill_on_drop: false }`
[INFO] [stdout] 16abe75c6ee0b459a126514ea2fb62bfa5142881ace63a297ae0ecb55bec250c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d761206b9690206a93270bbbdce3a3fce0feaf7af1a611fd051bedb2d14c84f2
[INFO] running `Command { std: "docker" "start" "-a" "d761206b9690206a93270bbbdce3a3fce0feaf7af1a611fd051bedb2d14c84f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling matux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "d761206b9690206a93270bbbdce3a3fce0feaf7af1a611fd051bedb2d14c84f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d761206b9690206a93270bbbdce3a3fce0feaf7af1a611fd051bedb2d14c84f2", kill_on_drop: false }`
[INFO] [stdout] d761206b9690206a93270bbbdce3a3fce0feaf7af1a611fd051bedb2d14c84f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62d89a6c90f15cbe987200cb1616b930454094ef236bb4d9dde2344b8ae0836e
[INFO] running `Command { std: "docker" "start" "-a" "62d89a6c90f15cbe987200cb1616b930454094ef236bb4d9dde2344b8ae0836e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matux-1e320aff87baf150)
[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 matux
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - unwrap (line 30) ... ok
[INFO] [stdout] test src/lib.rs - expect (line 68) ... ok
[INFO] [stdout] test src/lib.rs - expect (line 56) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62d89a6c90f15cbe987200cb1616b930454094ef236bb4d9dde2344b8ae0836e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d89a6c90f15cbe987200cb1616b930454094ef236bb4d9dde2344b8ae0836e", kill_on_drop: false }`
[INFO] [stdout] 62d89a6c90f15cbe987200cb1616b930454094ef236bb4d9dde2344b8ae0836e