[INFO] fetching crate fixed-string 0.0.0...
[INFO] testing fixed-string-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fixed-string 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fixed-string 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-string 0.0.0
[INFO] finished tweaking crates.io crate fixed-string 0.0.0
[INFO] tweaked toml for crates.io crate fixed-string 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fixed-string 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "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] 477e32ef0f836328e6e6e1ce7b377f0a350188cc7876e37ae8bd4cd0ba768e91
[INFO] running `Command { std: "docker" "start" "-a" "477e32ef0f836328e6e6e1ce7b377f0a350188cc7876e37ae8bd4cd0ba768e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477e32ef0f836328e6e6e1ce7b377f0a350188cc7876e37ae8bd4cd0ba768e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477e32ef0f836328e6e6e1ce7b377f0a350188cc7876e37ae8bd4cd0ba768e91", kill_on_drop: false }`
[INFO] [stdout] 477e32ef0f836328e6e6e1ce7b377f0a350188cc7876e37ae8bd4cd0ba768e91
[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" "+beta-2021-01-01" "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] cbc1bdaeaa558b3b18b72ceab1f9f7666bf2a67f56b9c2dee8a74ed421f4663c
[INFO] running `Command { std: "docker" "start" "-a" "cbc1bdaeaa558b3b18b72ceab1f9f7666bf2a67f56b9c2dee8a74ed421f4663c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-string v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "cbc1bdaeaa558b3b18b72ceab1f9f7666bf2a67f56b9c2dee8a74ed421f4663c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc1bdaeaa558b3b18b72ceab1f9f7666bf2a67f56b9c2dee8a74ed421f4663c", kill_on_drop: false }`
[INFO] [stdout] cbc1bdaeaa558b3b18b72ceab1f9f7666bf2a67f56b9c2dee8a74ed421f4663c
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1898f6e14923a7aa2d41bc2065d7f2c5c2bf7a5a3d4b2e778cfdf4e5b18f9b50
[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" "1898f6e14923a7aa2d41bc2065d7f2c5c2bf7a5a3d4b2e778cfdf4e5b18f9b50", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-string v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "1898f6e14923a7aa2d41bc2065d7f2c5c2bf7a5a3d4b2e778cfdf4e5b18f9b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1898f6e14923a7aa2d41bc2065d7f2c5c2bf7a5a3d4b2e778cfdf4e5b18f9b50", kill_on_drop: false }`
[INFO] [stdout] 1898f6e14923a7aa2d41bc2065d7f2c5c2bf7a5a3d4b2e778cfdf4e5b18f9b50
[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" "+beta-2021-01-01" "test" "--frozen", 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] e0a3467608575fc4cb808ea8ad5535856e4052baf92ad0c74b4c84a29a8e16c9
[INFO] running `Command { std: "docker" "start" "-a" "e0a3467608575fc4cb808ea8ad5535856e4052baf92ad0c74b4c84a29a8e16c9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fixed_string-eb16032a64f79097
[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" "e0a3467608575fc4cb808ea8ad5535856e4052baf92ad0c74b4c84a29a8e16c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a3467608575fc4cb808ea8ad5535856e4052baf92ad0c74b4c84a29a8e16c9", kill_on_drop: false }`
[INFO] [stdout] e0a3467608575fc4cb808ea8ad5535856e4052baf92ad0c74b4c84a29a8e16c9