[INFO] fetching crate usage-tracker 0.3.1...
[INFO] testing usage-tracker-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate usage-tracker 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate usage-tracker 0.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usage-tracker 0.3.1
[INFO] finished tweaking crates.io crate usage-tracker 0.3.1
[INFO] tweaked toml for crates.io crate usage-tracker 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate usage-tracker 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93ba724cdba8c072d9bd4bd16b66cd0fe19219eaa5f9b2eedd84a81e8cdccc6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93ba724cdba8c072d9bd4bd16b66cd0fe19219eaa5f9b2eedd84a81e8cdccc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ba724cdba8c072d9bd4bd16b66cd0fe19219eaa5f9b2eedd84a81e8cdccc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ba724cdba8c072d9bd4bd16b66cd0fe19219eaa5f9b2eedd84a81e8cdccc6a", kill_on_drop: false }`
[INFO] [stdout] 93ba724cdba8c072d9bd4bd16b66cd0fe19219eaa5f9b2eedd84a81e8cdccc6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be16f119116dbdbb980fc8d3bf347f4273fb7736e7d78a7ea5b961f6a26ebe2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5be16f119116dbdbb980fc8d3bf347f4273fb7736e7d78a7ea5b961f6a26ebe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling users v0.5.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling standard_paths v0.4.6
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling ron v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling usage-tracker v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `usage_tracker::UsageInformation::load_usage_information_from_ron_file`: please only use this function if you have to load files from v0.1
[INFO] [stdout]    --> src/main.rs:307:22
[INFO] [stdout]     |
[INFO] [stdout] 307 |             false => UsageInformation::load_usage_information_from_ron_file(file).context(format!(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.32s
[INFO] running `Command { std: "docker" "inspect" "5be16f119116dbdbb980fc8d3bf347f4273fb7736e7d78a7ea5b961f6a26ebe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be16f119116dbdbb980fc8d3bf347f4273fb7736e7d78a7ea5b961f6a26ebe2", kill_on_drop: false }`
[INFO] [stdout] 5be16f119116dbdbb980fc8d3bf347f4273fb7736e7d78a7ea5b961f6a26ebe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d8bb97c59af19d60403ac58b526f72857b7f1bf6a60cece449422463e17aa1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30d8bb97c59af19d60403ac58b526f72857b7f1bf6a60cece449422463e17aa1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling usage-tracker v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `usage_tracker::UsageInformation::load_usage_information_from_ron_file`: please only use this function if you have to load files from v0.1
[INFO] [stdout]    --> src/main.rs:307:22
[INFO] [stdout]     |
[INFO] [stdout] 307 |             false => UsageInformation::load_usage_information_from_ron_file(file).context(format!(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "30d8bb97c59af19d60403ac58b526f72857b7f1bf6a60cece449422463e17aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d8bb97c59af19d60403ac58b526f72857b7f1bf6a60cece449422463e17aa1", kill_on_drop: false }`
[INFO] [stdout] 30d8bb97c59af19d60403ac58b526f72857b7f1bf6a60cece449422463e17aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9dc4400bc86e9aa6a862913a78a4dede768ca7e4ca4e9dbe93e15aaab8ceb2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9dc4400bc86e9aa6a862913a78a4dede768ca7e4ca4e9dbe93e15aaab8ceb2a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `usage_tracker::UsageInformation::load_usage_information_from_ron_file`: please only use this function if you have to load files from v0.1
[INFO] [stderr]    --> src/main.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |             false => UsageInformation::load_usage_information_from_ron_file(file).context(format!(
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usage_tracker-5969ae81e8265aa6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usage_tracker-82558789f0574cde
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usage-tracker
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9dc4400bc86e9aa6a862913a78a4dede768ca7e4ca4e9dbe93e15aaab8ceb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dc4400bc86e9aa6a862913a78a4dede768ca7e4ca4e9dbe93e15aaab8ceb2a", kill_on_drop: false }`
[INFO] [stdout] b9dc4400bc86e9aa6a862913a78a4dede768ca7e4ca4e9dbe93e15aaab8ceb2a