[INFO] fetching crate tower-mod 0.0.0...
[INFO] testing tower-mod-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tower-mod 0.0.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate tower-mod 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-mod 0.0.0
[INFO] finished tweaking crates.io crate tower-mod 0.0.0
[INFO] tweaked toml for crates.io crate tower-mod 0.0.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca05146565150ed55e052b2d62c5612de3450de98c852356ea9866b1d8a23734
[INFO] running `Command { std: "docker" "start" "-a" "ca05146565150ed55e052b2d62c5612de3450de98c852356ea9866b1d8a23734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca05146565150ed55e052b2d62c5612de3450de98c852356ea9866b1d8a23734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca05146565150ed55e052b2d62c5612de3450de98c852356ea9866b1d8a23734", kill_on_drop: false }`
[INFO] [stdout] ca05146565150ed55e052b2d62c5612de3450de98c852356ea9866b1d8a23734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 045f04053c9c9a73f7e5d42dfdeadd323b2fadad90148281ec7d52b17e7d9c15
[INFO] running `Command { std: "docker" "start" "-a" "045f04053c9c9a73f7e5d42dfdeadd323b2fadad90148281ec7d52b17e7d9c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-mod v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "045f04053c9c9a73f7e5d42dfdeadd323b2fadad90148281ec7d52b17e7d9c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045f04053c9c9a73f7e5d42dfdeadd323b2fadad90148281ec7d52b17e7d9c15", kill_on_drop: false }`
[INFO] [stdout] 045f04053c9c9a73f7e5d42dfdeadd323b2fadad90148281ec7d52b17e7d9c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0268872d80979693e9b7d9baacb7f5da990c62d168b567211372a8f1a6857d4b
[INFO] running `Command { std: "docker" "start" "-a" "0268872d80979693e9b7d9baacb7f5da990c62d168b567211372a8f1a6857d4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tower-mod v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_mod-5dc061c36e0f3236)
[INFO] [stderr]   Executable tests/main.rs (/opt/rustwide/target/debug/deps/main-d5470c1287b497e4)
[INFO] running `Command { std: "docker" "inspect" "0268872d80979693e9b7d9baacb7f5da990c62d168b567211372a8f1a6857d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0268872d80979693e9b7d9baacb7f5da990c62d168b567211372a8f1a6857d4b", kill_on_drop: false }`
[INFO] [stdout] 0268872d80979693e9b7d9baacb7f5da990c62d168b567211372a8f1a6857d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dee22c5448bae80b6bf4c8dcaf4519f1f5d056208aef7c2dd95075b4bfcbb698
[INFO] running `Command { std: "docker" "start" "-a" "dee22c5448bae80b6bf4c8dcaf4519f1f5d056208aef7c2dd95075b4bfcbb698", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_mod-5dc061c36e0f3236)
[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]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-d5470c1287b497e4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-mod
[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" "dee22c5448bae80b6bf4c8dcaf4519f1f5d056208aef7c2dd95075b4bfcbb698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee22c5448bae80b6bf4c8dcaf4519f1f5d056208aef7c2dd95075b4bfcbb698", kill_on_drop: false }`
[INFO] [stdout] dee22c5448bae80b6bf4c8dcaf4519f1f5d056208aef7c2dd95075b4bfcbb698