[INFO] fetching crate interpol 0.2.1...
[INFO] testing interpol-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate interpol 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate interpol 0.2.1 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 interpol 0.2.1
[INFO] finished tweaking crates.io crate interpol 0.2.1
[INFO] tweaked toml for crates.io crate interpol 0.2.1 written to /workspace/builds/worker-5/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbbf1105cb59c242a267f83d7f57137ae867a309ca188fac38577449ea12a11
[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" "6fbbf1105cb59c242a267f83d7f57137ae867a309ca188fac38577449ea12a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbbf1105cb59c242a267f83d7f57137ae867a309ca188fac38577449ea12a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbbf1105cb59c242a267f83d7f57137ae867a309ca188fac38577449ea12a11", kill_on_drop: false }`
[INFO] [stdout] 6fbbf1105cb59c242a267f83d7f57137ae867a309ca188fac38577449ea12a11
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a6ae623370b2806cdea070712d45002ab0000468b060ac83440bcc93594170
[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" "f1a6ae623370b2806cdea070712d45002ab0000468b060ac83440bcc93594170", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "f1a6ae623370b2806cdea070712d45002ab0000468b060ac83440bcc93594170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a6ae623370b2806cdea070712d45002ab0000468b060ac83440bcc93594170", kill_on_drop: false }`
[INFO] [stdout] f1a6ae623370b2806cdea070712d45002ab0000468b060ac83440bcc93594170
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 159317b802928f1477e705ef429cc72749cbca820d2a67a52d6f4523630978ea
[INFO] running `Command { std: "docker" "start" "-a" "159317b802928f1477e705ef429cc72749cbca820d2a67a52d6f4523630978ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "159317b802928f1477e705ef429cc72749cbca820d2a67a52d6f4523630978ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159317b802928f1477e705ef429cc72749cbca820d2a67a52d6f4523630978ea", kill_on_drop: false }`
[INFO] [stdout] 159317b802928f1477e705ef429cc72749cbca820d2a67a52d6f4523630978ea
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28613607e1ca1e9fee5cc3055a53802936bedcd935bd22d19081f3d1ac987830
[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" "28613607e1ca1e9fee5cc3055a53802936bedcd935bd22d19081f3d1ac987830", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interpol-39cba902a2bcc117
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test-e1e839e8c2afd196
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_escaping ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_writeln ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interpol
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28613607e1ca1e9fee5cc3055a53802936bedcd935bd22d19081f3d1ac987830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28613607e1ca1e9fee5cc3055a53802936bedcd935bd22d19081f3d1ac987830", kill_on_drop: false }`
[INFO] [stdout] 28613607e1ca1e9fee5cc3055a53802936bedcd935bd22d19081f3d1ac987830