[INFO] fetching crate mctser 0.1.2...
[INFO] testing mctser-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mctser 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mctser 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mctser 0.1.2
[INFO] tweaked toml for crates.io crate mctser 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mctser 0.1.2 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] crate crates.io crate mctser 0.1.2 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 035e022f18e143b0fa30b3b34e7eab90078240ad01102fa446a33a813bf3ea4d
[INFO] running `Command { std: "docker" "start" "-a" "035e022f18e143b0fa30b3b34e7eab90078240ad01102fa446a33a813bf3ea4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035e022f18e143b0fa30b3b34e7eab90078240ad01102fa446a33a813bf3ea4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035e022f18e143b0fa30b3b34e7eab90078240ad01102fa446a33a813bf3ea4d", kill_on_drop: false }`
[INFO] [stdout] 035e022f18e143b0fa30b3b34e7eab90078240ad01102fa446a33a813bf3ea4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5a9704953f4ef6c9d37ca045adcdcc5497da090ec551380f10058927b8137a69
[INFO] running `Command { std: "docker" "start" "-a" "5a9704953f4ef6c9d37ca045adcdcc5497da090ec551380f10058927b8137a69", kill_on_drop: false }`
[INFO] [stderr]    Compiling mctser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "5a9704953f4ef6c9d37ca045adcdcc5497da090ec551380f10058927b8137a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9704953f4ef6c9d37ca045adcdcc5497da090ec551380f10058927b8137a69", kill_on_drop: false }`
[INFO] [stdout] 5a9704953f4ef6c9d37ca045adcdcc5497da090ec551380f10058927b8137a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6ba92cbb4408b3c9e8f806999dbce3cc676b76b42fc25b2e902d9e32b6a87ee2
[INFO] running `Command { std: "docker" "start" "-a" "6ba92cbb4408b3c9e8f806999dbce3cc676b76b42fc25b2e902d9e32b6a87ee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mctser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6ba92cbb4408b3c9e8f806999dbce3cc676b76b42fc25b2e902d9e32b6a87ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba92cbb4408b3c9e8f806999dbce3cc676b76b42fc25b2e902d9e32b6a87ee2", kill_on_drop: false }`
[INFO] [stdout] 6ba92cbb4408b3c9e8f806999dbce3cc676b76b42fc25b2e902d9e32b6a87ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1286d6e7c887f7645a8f7c9b08a966491fa74c54285bc7752f58d9eadfc46152
[INFO] running `Command { std: "docker" "start" "-a" "1286d6e7c887f7645a8f7c9b08a966491fa74c54285bc7752f58d9eadfc46152", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mctser-2c1425e5a9334ec5)
[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 mctser
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 123) ... ignored
[INFO] [stdout] test src/lib.rs - (line 76) ... ignored
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1286d6e7c887f7645a8f7c9b08a966491fa74c54285bc7752f58d9eadfc46152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1286d6e7c887f7645a8f7c9b08a966491fa74c54285bc7752f58d9eadfc46152", kill_on_drop: false }`
[INFO] [stdout] 1286d6e7c887f7645a8f7c9b08a966491fa74c54285bc7752f58d9eadfc46152