[INFO] fetching crate eztrace 0.1.0...
[INFO] testing eztrace-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate eztrace 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate eztrace 0.1.0 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 eztrace 0.1.0
[INFO] finished tweaking crates.io crate eztrace 0.1.0
[INFO] tweaked toml for crates.io crate eztrace 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] afa6125f159f0211d3c5a7b6964007248d5557f37ecb7c0eaa1eea26df165726
[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" "afa6125f159f0211d3c5a7b6964007248d5557f37ecb7c0eaa1eea26df165726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa6125f159f0211d3c5a7b6964007248d5557f37ecb7c0eaa1eea26df165726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa6125f159f0211d3c5a7b6964007248d5557f37ecb7c0eaa1eea26df165726", kill_on_drop: false }`
[INFO] [stdout] afa6125f159f0211d3c5a7b6964007248d5557f37ecb7c0eaa1eea26df165726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d109c2e9af127986972f58189e163b03744f69e373104c90814a37280b2eed5d
[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" "d109c2e9af127986972f58189e163b03744f69e373104c90814a37280b2eed5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling eztrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d109c2e9af127986972f58189e163b03744f69e373104c90814a37280b2eed5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d109c2e9af127986972f58189e163b03744f69e373104c90814a37280b2eed5d", kill_on_drop: false }`
[INFO] [stdout] d109c2e9af127986972f58189e163b03744f69e373104c90814a37280b2eed5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c9d595202833ae80a87970a5ba53cb0928c592c2581214ac5b3a30aecbcdf9e3
[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" "c9d595202833ae80a87970a5ba53cb0928c592c2581214ac5b3a30aecbcdf9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling eztrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "c9d595202833ae80a87970a5ba53cb0928c592c2581214ac5b3a30aecbcdf9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d595202833ae80a87970a5ba53cb0928c592c2581214ac5b3a30aecbcdf9e3", kill_on_drop: false }`
[INFO] [stdout] c9d595202833ae80a87970a5ba53cb0928c592c2581214ac5b3a30aecbcdf9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2c1ce54c8d57773bc9584a7e372d27c7f8e25ba95eed976c03d93a988e25afb7
[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" "2c1ce54c8d57773bc9584a7e372d27c7f8e25ba95eed976c03d93a988e25afb7", 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/eztrace-5a90b31793ee4fc4
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::single ... ok
[INFO] [stdout] test tests::no_move ... ok
[INFO] [stdout] test tests::the_docs ... ok
[INFO] [stderr]    Doc-tests eztrace
[INFO] [stdout] test tests::multi ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::single_eval_per_arg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test eztrace.rs - trace (line 32) ... ok
[INFO] [stdout] test eztrace.rs - trace (line 45) ... ok
[INFO] [stdout] test eztrace.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c1ce54c8d57773bc9584a7e372d27c7f8e25ba95eed976c03d93a988e25afb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1ce54c8d57773bc9584a7e372d27c7f8e25ba95eed976c03d93a988e25afb7", kill_on_drop: false }`
[INFO] [stdout] 2c1ce54c8d57773bc9584a7e372d27c7f8e25ba95eed976c03d93a988e25afb7