[INFO] cloning repository https://github.com/derekmorr/rust-rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekmorr/rust-rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746e1be1e4c7a2c47a43fcc33d6c738f3b4ec165
[INFO] testing derekmorr/rust-rc against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekmorr%2Frust-rc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derekmorr/rust-rc on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] finished tweaking git repo https://github.com/derekmorr/rust-rc
[INFO] tweaked toml for git repo https://github.com/derekmorr/rust-rc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/derekmorr/rust-rc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.3.1
[INFO] [stderr]   Downloaded bv v0.7.4
[INFO] [stderr]   Downloaded ndarray v0.9.1
[INFO] [stderr]   Downloaded bio v0.21.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9b80cd7d37c411bba947b48ff3f58885394f5aed346f63340954656b859a87
[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" "3d9b80cd7d37c411bba947b48ff3f58885394f5aed346f63340954656b859a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9b80cd7d37c411bba947b48ff3f58885394f5aed346f63340954656b859a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9b80cd7d37c411bba947b48ff3f58885394f5aed346f63340954656b859a87", kill_on_drop: false }`
[INFO] [stdout] 3d9b80cd7d37c411bba947b48ff3f58885394f5aed346f63340954656b859a87
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0915297be03de34ad1d3725156806a5ecf774937f58fd09bedb4147239cddd
[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" "ef0915297be03de34ad1d3725156806a5ecf774937f58fd09bedb4147239cddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bio v0.21.0
[INFO] [stderr]    Compiling rust-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.11s
[INFO] running `Command { std: "docker" "inspect" "ef0915297be03de34ad1d3725156806a5ecf774937f58fd09bedb4147239cddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0915297be03de34ad1d3725156806a5ecf774937f58fd09bedb4147239cddd", kill_on_drop: false }`
[INFO] [stdout] ef0915297be03de34ad1d3725156806a5ecf774937f58fd09bedb4147239cddd
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236c28910486907045a1d980058bdf786ce87f6a075df12b61508a26219a5169
[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" "236c28910486907045a1d980058bdf786ce87f6a075df12b61508a26219a5169", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "236c28910486907045a1d980058bdf786ce87f6a075df12b61508a26219a5169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236c28910486907045a1d980058bdf786ce87f6a075df12b61508a26219a5169", kill_on_drop: false }`
[INFO] [stdout] 236c28910486907045a1d980058bdf786ce87f6a075df12b61508a26219a5169
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 090f28f1cff34d18b6e714dfc448aa5e6f8a1d4e869eeb54bffd7596ba4d4be9
[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" "090f28f1cff34d18b6e714dfc448aa5e6f8a1d4e869eeb54bffd7596ba4d4be9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_rc-944ba11712764917)
[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" "090f28f1cff34d18b6e714dfc448aa5e6f8a1d4e869eeb54bffd7596ba4d4be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090f28f1cff34d18b6e714dfc448aa5e6f8a1d4e869eeb54bffd7596ba4d4be9", kill_on_drop: false }`
[INFO] [stdout] 090f28f1cff34d18b6e714dfc448aa5e6f8a1d4e869eeb54bffd7596ba4d4be9