[INFO] fetching crate booster 0.0.1...
[INFO] testing booster-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate booster 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate booster 0.0.1 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 booster 0.0.1
[INFO] finished tweaking crates.io crate booster 0.0.1
[INFO] tweaked toml for crates.io crate booster 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate booster 0.0.1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1337cff6587f175bab02c224fadacd06ff23cac736aa899cb8db1fd6a99c319
[INFO] running `Command { std: "docker" "start" "-a" "a1337cff6587f175bab02c224fadacd06ff23cac736aa899cb8db1fd6a99c319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1337cff6587f175bab02c224fadacd06ff23cac736aa899cb8db1fd6a99c319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1337cff6587f175bab02c224fadacd06ff23cac736aa899cb8db1fd6a99c319", kill_on_drop: false }`
[INFO] [stdout] a1337cff6587f175bab02c224fadacd06ff23cac736aa899cb8db1fd6a99c319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8dbc2868fbc64e7e1db76daa7a22a3d70b4aed5c0ba3c67eceb1abc9e4713b2
[INFO] running `Command { std: "docker" "start" "-a" "e8dbc2868fbc64e7e1db76daa7a22a3d70b4aed5c0ba3c67eceb1abc9e4713b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling booster v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e8dbc2868fbc64e7e1db76daa7a22a3d70b4aed5c0ba3c67eceb1abc9e4713b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dbc2868fbc64e7e1db76daa7a22a3d70b4aed5c0ba3c67eceb1abc9e4713b2", kill_on_drop: false }`
[INFO] [stdout] e8dbc2868fbc64e7e1db76daa7a22a3d70b4aed5c0ba3c67eceb1abc9e4713b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3ba13bd89c4600891fb9c58d27f1e8701e13c542ecde61cb3311b2c57b9879fb
[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" "3ba13bd89c4600891fb9c58d27f1e8701e13c542ecde61cb3311b2c57b9879fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling booster v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "3ba13bd89c4600891fb9c58d27f1e8701e13c542ecde61cb3311b2c57b9879fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba13bd89c4600891fb9c58d27f1e8701e13c542ecde61cb3311b2c57b9879fb", kill_on_drop: false }`
[INFO] [stdout] 3ba13bd89c4600891fb9c58d27f1e8701e13c542ecde61cb3311b2c57b9879fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c09ece33a6abae07ff8bac9793d6ae4fa5281a8d519ec97515fb3d0be6618c58
[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" "c09ece33a6abae07ff8bac9793d6ae4fa5281a8d519ec97515fb3d0be6618c58", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/booster-3c83360684ccd36c
[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" "c09ece33a6abae07ff8bac9793d6ae4fa5281a8d519ec97515fb3d0be6618c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09ece33a6abae07ff8bac9793d6ae4fa5281a8d519ec97515fb3d0be6618c58", kill_on_drop: false }`
[INFO] [stdout] c09ece33a6abae07ff8bac9793d6ae4fa5281a8d519ec97515fb3d0be6618c58