[INFO] fetching crate assert_approx_eq 1.1.0...
[INFO] testing assert_approx_eq-1.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate assert_approx_eq 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate assert_approx_eq 1.1.0 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 assert_approx_eq 1.1.0
[INFO] finished tweaking crates.io crate assert_approx_eq 1.1.0
[INFO] tweaked toml for crates.io crate assert_approx_eq 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] e8db93f49f1ce4048a3b574673ce615d15be5ef34dfa7f31c9b633bda36c5088
[INFO] running `Command { std: "docker" "start" "-a" "e8db93f49f1ce4048a3b574673ce615d15be5ef34dfa7f31c9b633bda36c5088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8db93f49f1ce4048a3b574673ce615d15be5ef34dfa7f31c9b633bda36c5088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8db93f49f1ce4048a3b574673ce615d15be5ef34dfa7f31c9b633bda36c5088", kill_on_drop: false }`
[INFO] [stdout] e8db93f49f1ce4048a3b574673ce615d15be5ef34dfa7f31c9b633bda36c5088
[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] [stdout] 0cf773011453eb6446574557ca1170166e74fb1611061e5c42398b85d53fb0c4
[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" "0cf773011453eb6446574557ca1170166e74fb1611061e5c42398b85d53fb0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "0cf773011453eb6446574557ca1170166e74fb1611061e5c42398b85d53fb0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf773011453eb6446574557ca1170166e74fb1611061e5c42398b85d53fb0c4", kill_on_drop: false }`
[INFO] [stdout] 0cf773011453eb6446574557ca1170166e74fb1611061e5c42398b85d53fb0c4
[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] 1fbf5b096f91917affb88904632839223a8eea591ccd7c179659cf1ae8e1d62e
[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" "1fbf5b096f91917affb88904632839223a8eea591ccd7c179659cf1ae8e1d62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1fbf5b096f91917affb88904632839223a8eea591ccd7c179659cf1ae8e1d62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbf5b096f91917affb88904632839223a8eea591ccd7c179659cf1ae8e1d62e", kill_on_drop: false }`
[INFO] [stdout] 1fbf5b096f91917affb88904632839223a8eea591ccd7c179659cf1ae8e1d62e
[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] 8a7a0d47a339f6a434b511d273e889542b16405f9324721c6068589861087467
[INFO] running `Command { std: "docker" "start" "-a" "8a7a0d47a339f6a434b511d273e889542b16405f9324721c6068589861087467", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assert_approx_eq-c882316c861952bc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test compare_with_explicit_eps ... ok
[INFO] [stdout] test it_should_not_panic_if_values_are_approx_equal ... ok
[INFO] [stderr]    Doc-tests assert_approx_eq
[INFO] [stdout] test bad_compare_with_explicit_eps ... ok
[INFO] [stdout] test it_should_panic_if_values_are_not_approx_equal ... ok
[INFO] [stdout] test should_evaluate_eps_only_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "8a7a0d47a339f6a434b511d273e889542b16405f9324721c6068589861087467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7a0d47a339f6a434b511d273e889542b16405f9324721c6068589861087467", kill_on_drop: false }`
[INFO] [stdout] 8a7a0d47a339f6a434b511d273e889542b16405f9324721c6068589861087467