[INFO] fetching crate qcell 0.4.1...
[INFO] testing qcell-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate qcell 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate qcell 0.4.1 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 qcell 0.4.1
[INFO] finished tweaking crates.io crate qcell 0.4.1
[INFO] tweaked toml for crates.io crate qcell 0.4.1 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7def33f5afab41b4bc1494a42bacec3740f1f8966749f0f469110804f4a84f04
[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" "7def33f5afab41b4bc1494a42bacec3740f1f8966749f0f469110804f4a84f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7def33f5afab41b4bc1494a42bacec3740f1f8966749f0f469110804f4a84f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7def33f5afab41b4bc1494a42bacec3740f1f8966749f0f469110804f4a84f04", kill_on_drop: false }`
[INFO] [stdout] 7def33f5afab41b4bc1494a42bacec3740f1f8966749f0f469110804f4a84f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 13d5515cc2d4ef4fb6901a16b26423e7fc581e4d56f117a3e79dfb41c7c21000
[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" "13d5515cc2d4ef4fb6901a16b26423e7fc581e4d56f117a3e79dfb41c7c21000", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "13d5515cc2d4ef4fb6901a16b26423e7fc581e4d56f117a3e79dfb41c7c21000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d5515cc2d4ef4fb6901a16b26423e7fc581e4d56f117a3e79dfb41c7c21000", kill_on_drop: false }`
[INFO] [stdout] 13d5515cc2d4ef4fb6901a16b26423e7fc581e4d56f117a3e79dfb41c7c21000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 34d086975ec7504d10041d58e65aa2b6376cf370d97c52cc544a2018e041e172
[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" "34d086975ec7504d10041d58e65aa2b6376cf370d97c52cc544a2018e041e172", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling qcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "34d086975ec7504d10041d58e65aa2b6376cf370d97c52cc544a2018e041e172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d086975ec7504d10041d58e65aa2b6376cf370d97c52cc544a2018e041e172", kill_on_drop: false }`
[INFO] [stdout] 34d086975ec7504d10041d58e65aa2b6376cf370d97c52cc544a2018e041e172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 87c5fc5aabb84f438f09e487dc6455e884b6df0baf8c96c0a3bb36b17f2b8e2a
[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" "87c5fc5aabb84f438f09e487dc6455e884b6df0baf8c96c0a3bb36b17f2b8e2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qcell-16024af20106eb32
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test lcell::tests::lcell ... ok
[INFO] [stdout] test tlcell::tests::tlcell_singleton_2 ... ok
[INFO] [stdout] test qcell::tests::qcell ... ok
[INFO] [stdout] test qcell::tests::qcell_fast_ids ... ok
[INFO] [stdout] test tcell::tests::tcell_singleton_2 ... ok
[INFO] [stdout] test tcell::tests::tcell_singleton_3 ... ok
[INFO] [stdout] test tlcell::tests::tlcell_singleton_3 ... ok
[INFO] [stdout] test qcell::tests::qcell_ids ... ok
[INFO] [stdout] test qcell::tests::qcell_sep_ids ... ok
[INFO] [stdout] test tcell::tests::tcell ... ok
[INFO] [stdout] test tlcell::tests::tlcell ... ok
[INFO] [stdout] test tlcell::tests::tlcell_threads ... ok
[INFO] [stdout] test lcell::tests::lcell_rw3_1 ... ok
[INFO] [stdout] test lcell::tests::lcell_rw2 ... ok
[INFO] [stderr]    Doc-tests qcell
[INFO] [stdout] test lcell::tests::lcell_rw3_2 ... ok
[INFO] [stdout] test lcell::tests::lcell_rw3_3 ... ok
[INFO] [stdout] test tlcell::tests::tlcell_singleton_1 ... ok
[INFO] [stdout] test tcell::tests::tcell_singleton_1 ... ok
[INFO] [stdout] test tcell::tests::tcell_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 88 tests
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 115) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 179) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 147) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 163) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 21) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 64) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 100) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 308) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 289) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 265) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 32) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 281) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 317) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 107) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 9) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 137) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 48) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 232) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 153) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 169) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 326) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 130) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 196) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 216) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 212) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 231) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 20) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 254) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 83) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 239) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 59) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 262) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 9) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 185) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 93) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 121) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 270) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 149) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 131) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 207) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 227) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 187) ... ok
[INFO] [stdout] test src/doctest_lcell.rs - doctest_lcell (line 243) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 283) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 22) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 30) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 44) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 310) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 301) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 338) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 329) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 77) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 347) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 90) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 36) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 131) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 149) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 10) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 187) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 247) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 48) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 207) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 227) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 69) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 248) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 167) ... ok
[INFO] [stdout] test src/doctest_qcell.rs - doctest_qcell (line 196) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 22) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 325) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 256) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 111) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 48) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 274) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 90) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 36) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 334) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 266) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 167) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 10) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 69) ... ok
[INFO] [stdout] test src/doctest_tcell.rs - doctest_tcell (line 259) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/doctest_tlcell.rs - doctest_tlcell (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 88 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87c5fc5aabb84f438f09e487dc6455e884b6df0baf8c96c0a3bb36b17f2b8e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c5fc5aabb84f438f09e487dc6455e884b6df0baf8c96c0a3bb36b17f2b8e2a", kill_on_drop: false }`
[INFO] [stdout] 87c5fc5aabb84f438f09e487dc6455e884b6df0baf8c96c0a3bb36b17f2b8e2a