[INFO] fetching crate cbvm 0.7.4...
[INFO] testing cbvm-0.7.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cbvm 0.7.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cbvm 0.7.4
[INFO] finished tweaking crates.io crate cbvm 0.7.4
[INFO] tweaked toml for crates.io crate cbvm 0.7.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cbvm 0.7.4 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 cbvm 0.7.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 605545d8f021374f0de3970cf8205cfb0f79556f28275a6a11fd78115c47cd26
[INFO] running `Command { std: "docker" "start" "-a" "605545d8f021374f0de3970cf8205cfb0f79556f28275a6a11fd78115c47cd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "605545d8f021374f0de3970cf8205cfb0f79556f28275a6a11fd78115c47cd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605545d8f021374f0de3970cf8205cfb0f79556f28275a6a11fd78115c47cd26", kill_on_drop: false }`
[INFO] [stdout] 605545d8f021374f0de3970cf8205cfb0f79556f28275a6a11fd78115c47cd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ec62dbe562984393034b3b894b78a513e06780e379111f786b44b619817e9e3
[INFO] running `Command { std: "docker" "start" "-a" "3ec62dbe562984393034b3b894b78a513e06780e379111f786b44b619817e9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbvm v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "3ec62dbe562984393034b3b894b78a513e06780e379111f786b44b619817e9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec62dbe562984393034b3b894b78a513e06780e379111f786b44b619817e9e3", kill_on_drop: false }`
[INFO] [stdout] 3ec62dbe562984393034b3b894b78a513e06780e379111f786b44b619817e9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e4501023b7160ae1ce35071486e36327ac753cfe7b3161e4ac802b96dacc692a
[INFO] running `Command { std: "docker" "start" "-a" "e4501023b7160ae1ce35071486e36327ac753cfe7b3161e4ac802b96dacc692a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbvm v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e4501023b7160ae1ce35071486e36327ac753cfe7b3161e4ac802b96dacc692a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4501023b7160ae1ce35071486e36327ac753cfe7b3161e4ac802b96dacc692a", kill_on_drop: false }`
[INFO] [stdout] e4501023b7160ae1ce35071486e36327ac753cfe7b3161e4ac802b96dacc692a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bcee5b57fa2dee4486ab67227103053ff1d01d387c57fc634cf5f016a0d3cbde
[INFO] running `Command { std: "docker" "start" "-a" "bcee5b57fa2dee4486ab67227103053ff1d01d387c57fc634cf5f016a0d3cbde", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cbvm-f6d89e69abb8903a)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cbvm-fead920ae57807f0)
[INFO] [stderr]    Doc-tests cbvm
[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] [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" "bcee5b57fa2dee4486ab67227103053ff1d01d387c57fc634cf5f016a0d3cbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcee5b57fa2dee4486ab67227103053ff1d01d387c57fc634cf5f016a0d3cbde", kill_on_drop: false }`
[INFO] [stdout] bcee5b57fa2dee4486ab67227103053ff1d01d387c57fc634cf5f016a0d3cbde