[INFO] fetching crate nccl 1.0.0...
[INFO] testing nccl-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nccl 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nccl 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nccl 1.0.0
[INFO] finished tweaking crates.io crate nccl 1.0.0
[INFO] tweaked toml for crates.io crate nccl 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 1db09b1743ca17c7947b8408f7679ab2822acf5a4a8ad136028d4c8b3e19ce04
[INFO] running `Command { std: "docker" "start" "-a" "1db09b1743ca17c7947b8408f7679ab2822acf5a4a8ad136028d4c8b3e19ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db09b1743ca17c7947b8408f7679ab2822acf5a4a8ad136028d4c8b3e19ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db09b1743ca17c7947b8408f7679ab2822acf5a4a8ad136028d4c8b3e19ce04", kill_on_drop: false }`
[INFO] [stdout] 1db09b1743ca17c7947b8408f7679ab2822acf5a4a8ad136028d4c8b3e19ce04
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce55437a096b586e7b5c326c5cbef8fe6ca1e42b90bbfa3b69062808b1dc11e
[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" "cce55437a096b586e7b5c326c5cbef8fe6ca1e42b90bbfa3b69062808b1dc11e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nccl v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "cce55437a096b586e7b5c326c5cbef8fe6ca1e42b90bbfa3b69062808b1dc11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce55437a096b586e7b5c326c5cbef8fe6ca1e42b90bbfa3b69062808b1dc11e", kill_on_drop: false }`
[INFO] [stdout] cce55437a096b586e7b5c326c5cbef8fe6ca1e42b90bbfa3b69062808b1dc11e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7097aaa3cc4c9ca1db58ec69cde104271ab8a56d411e1fa045ba8e8bebeb5e
[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" "dd7097aaa3cc4c9ca1db58ec69cde104271ab8a56d411e1fa045ba8e8bebeb5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nccl v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "dd7097aaa3cc4c9ca1db58ec69cde104271ab8a56d411e1fa045ba8e8bebeb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7097aaa3cc4c9ca1db58ec69cde104271ab8a56d411e1fa045ba8e8bebeb5e", kill_on_drop: false }`
[INFO] [stdout] dd7097aaa3cc4c9ca1db58ec69cde104271ab8a56d411e1fa045ba8e8bebeb5e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95f08b4e350937c7cde6621f37d7955996d0049007cf2305ab80c5462edcc167
[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" "95f08b4e350937c7cde6621f37d7955996d0049007cf2305ab80c5462edcc167", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nccl-73cf6938e46029c8)
[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] [stderr]      Running tests/nccl.rs (/opt/rustwide/target/debug/deps/nccl-b05db35e399be6da)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test add_pair ... ok
[INFO] [stdout] test add_slice ... ok
[INFO] [stdout] test comments2 ... ok
[INFO] [stdout] test dos_unix_lines ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test has_path ... ok
[INFO] [stdout] test long ... ok
[INFO] [stdout] test indent ... ok
[INFO] [stdout] test duplicates3 ... ok
[INFO] [stdout] test error_key_not_found ... ok
[INFO] [stdout] test inherit2 ... ok
[INFO] [stdout] test add_vec ... ok
[INFO] [stderr]    Doc-tests nccl
[INFO] [stdout] test value ... ok
[INFO] [stdout] test comments ... ok
[INFO] [stdout] test pair_value_parse ... ok
[INFO] [stdout] test escapes ... ok
[INFO] [stdout] test readme ... ok
[INFO] [stdout] test scan_file ... ok
[INFO] [stdout] test spaces ... ok
[INFO] [stdout] test tabs ... ok
[INFO] [stdout] test traverse_path ... ok
[INFO] [stdout] test pair_keys ... ok
[INFO] [stdout] test duplicates2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/pair.rs - pair::Pair::pretty_print (line 288) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::value_as (line 220) ... ok
[INFO] [stdout] test src/macros.rs - macros::vec_into (line 6) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::has_key (line 69) ... ok
[INFO] [stdout] test src/value.rs - value::parse_into_value (line 9) ... ok
[INFO] [stdout] test src/lib.rs - parse_string (line 85) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::add (line 39) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::value (line 191) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::get (line 126) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::has_path (line 94) ... ok
[INFO] [stdout] test src/lib.rs - parse_file_with (line 60) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair (line 11) ... ok
[INFO] [stdout] test src/lib.rs - parse_file (line 35) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::get_ref (line 161) ... ok
[INFO] [stdout] test src/pair.rs - pair::Pair::keys_as (line 257) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95f08b4e350937c7cde6621f37d7955996d0049007cf2305ab80c5462edcc167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f08b4e350937c7cde6621f37d7955996d0049007cf2305ab80c5462edcc167", kill_on_drop: false }`
[INFO] [stdout] 95f08b4e350937c7cde6621f37d7955996d0049007cf2305ab80c5462edcc167