[INFO] fetching crate idata 0.1.2...
[INFO] testing idata-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate idata 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate idata 0.1.2 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 idata 0.1.2
[INFO] finished tweaking crates.io crate idata 0.1.2
[INFO] tweaked toml for crates.io crate idata 0.1.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 478450cb31c509f829ecce9d853e63bee4d5ffc2075069dc7ae2fd4e6844e91d
[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" "478450cb31c509f829ecce9d853e63bee4d5ffc2075069dc7ae2fd4e6844e91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478450cb31c509f829ecce9d853e63bee4d5ffc2075069dc7ae2fd4e6844e91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478450cb31c509f829ecce9d853e63bee4d5ffc2075069dc7ae2fd4e6844e91d", kill_on_drop: false }`
[INFO] [stdout] 478450cb31c509f829ecce9d853e63bee4d5ffc2075069dc7ae2fd4e6844e91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e5c8454a445aa98b91ca2bb85556bbd7dc89622202eeb0f0595236ab7e0b0b30
[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" "e5c8454a445aa98b91ca2bb85556bbd7dc89622202eeb0f0595236ab7e0b0b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling idata v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e5c8454a445aa98b91ca2bb85556bbd7dc89622202eeb0f0595236ab7e0b0b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c8454a445aa98b91ca2bb85556bbd7dc89622202eeb0f0595236ab7e0b0b30", kill_on_drop: false }`
[INFO] [stdout] e5c8454a445aa98b91ca2bb85556bbd7dc89622202eeb0f0595236ab7e0b0b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a7878c2cc75662c25958b307cc9318aeebd3c8e3b51f6ffbcf0c8c3ac7c4c853
[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" "a7878c2cc75662c25958b307cc9318aeebd3c8e3b51f6ffbcf0c8c3ac7c4c853", kill_on_drop: false }`
[INFO] [stderr]    Compiling idata v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "a7878c2cc75662c25958b307cc9318aeebd3c8e3b51f6ffbcf0c8c3ac7c4c853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7878c2cc75662c25958b307cc9318aeebd3c8e3b51f6ffbcf0c8c3ac7c4c853", kill_on_drop: false }`
[INFO] [stdout] a7878c2cc75662c25958b307cc9318aeebd3c8e3b51f6ffbcf0c8c3ac7c4c853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c60cd19ab2957a3148b441b9b5b4c740635f521e314a599844f2d85854c7de7b
[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" "c60cd19ab2957a3148b441b9b5b4c740635f521e314a599844f2d85854c7de7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/idata-782a3a4ed62fb843
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests idata
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - tc::tail_call (line 289) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - consume_char (line 41) ... ok
[INFO] [stdout] test src/lib.rs - tc (line 262) ... ok
[INFO] [stdout] test src/lib.rs - IString::iappend (line 125) ... ok
[INFO] [stdout] test src/lib.rs - steal_borrow (line 70) ... ok
[INFO] [stdout] test src/lib.rs - IString::ipush (line 110) ... ok
[INFO] [stdout] test src/lib.rs - IString::ipop (line 140) ... ok
[INFO] [stdout] test src/lib.rs - cont::IVec::iappend (line 197) ... ok
[INFO] [stdout] test src/lib.rs - cont::IVec::ipop (line 213) ... ok
[INFO] [stdout] test src/lib.rs - cont::IVec::ipush (line 181) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c60cd19ab2957a3148b441b9b5b4c740635f521e314a599844f2d85854c7de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60cd19ab2957a3148b441b9b5b4c740635f521e314a599844f2d85854c7de7b", kill_on_drop: false }`
[INFO] [stdout] c60cd19ab2957a3148b441b9b5b4c740635f521e314a599844f2d85854c7de7b