[INFO] fetching crate icu_list 0.0.1...
[INFO] testing icu_list-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate icu_list 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate icu_list 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icu_list 0.0.1
[INFO] finished tweaking crates.io crate icu_list 0.0.1
[INFO] tweaked toml for crates.io crate icu_list 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 9cf09c958a7ae9a5aff72cc01a843ce305d5c642f7f5fd177811364111a1f5a2
[INFO] running `Command { std: "docker" "start" "-a" "9cf09c958a7ae9a5aff72cc01a843ce305d5c642f7f5fd177811364111a1f5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf09c958a7ae9a5aff72cc01a843ce305d5c642f7f5fd177811364111a1f5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf09c958a7ae9a5aff72cc01a843ce305d5c642f7f5fd177811364111a1f5a2", kill_on_drop: false }`
[INFO] [stdout] 9cf09c958a7ae9a5aff72cc01a843ce305d5c642f7f5fd177811364111a1f5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a61c7c0947abab6a3e352795065a4a947386f9b7f9f907a4f3b0c668866f9f7
[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" "7a61c7c0947abab6a3e352795065a4a947386f9b7f9f907a4f3b0c668866f9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling icu_list v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "7a61c7c0947abab6a3e352795065a4a947386f9b7f9f907a4f3b0c668866f9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a61c7c0947abab6a3e352795065a4a947386f9b7f9f907a4f3b0c668866f9f7", kill_on_drop: false }`
[INFO] [stdout] 7a61c7c0947abab6a3e352795065a4a947386f9b7f9f907a4f3b0c668866f9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 24dc9e9e8bc371217aa0265a779ca13ebe8b2f4d3be10d1b1ab5ffe7becbb2e5
[INFO] running `Command { std: "docker" "start" "-a" "24dc9e9e8bc371217aa0265a779ca13ebe8b2f4d3be10d1b1ab5ffe7becbb2e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling icu_list v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "24dc9e9e8bc371217aa0265a779ca13ebe8b2f4d3be10d1b1ab5ffe7becbb2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dc9e9e8bc371217aa0265a779ca13ebe8b2f4d3be10d1b1ab5ffe7becbb2e5", kill_on_drop: false }`
[INFO] [stdout] 24dc9e9e8bc371217aa0265a779ca13ebe8b2f4d3be10d1b1ab5ffe7becbb2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 34ce8f502a3fdcdd42c8044af8c0899aa6bb3bab0bbf42cf9537e025f85c1bf7
[INFO] running `Command { std: "docker" "start" "-a" "34ce8f502a3fdcdd42c8044af8c0899aa6bb3bab0bbf42cf9537e025f85c1bf7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/icu_list-d174a784b8f3900b)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests icu_list
[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" "34ce8f502a3fdcdd42c8044af8c0899aa6bb3bab0bbf42cf9537e025f85c1bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ce8f502a3fdcdd42c8044af8c0899aa6bb3bab0bbf42cf9537e025f85c1bf7", kill_on_drop: false }`
[INFO] [stdout] 34ce8f502a3fdcdd42c8044af8c0899aa6bb3bab0bbf42cf9537e025f85c1bf7