[INFO] fetching crate ryu-js 0.2.1...
[INFO] testing ryu-js-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ryu-js 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ryu-js 0.2.1 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 ryu-js 0.2.1
[INFO] finished tweaking crates.io crate ryu-js 0.2.1
[INFO] tweaked toml for crates.io crate ryu-js 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ryu-js 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7835bde452471551a8778384e21f53096541b1046f24ac2c0622ff84d206da0c
[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" "7835bde452471551a8778384e21f53096541b1046f24ac2c0622ff84d206da0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7835bde452471551a8778384e21f53096541b1046f24ac2c0622ff84d206da0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7835bde452471551a8778384e21f53096541b1046f24ac2c0622ff84d206da0c", kill_on_drop: false }`
[INFO] [stdout] 7835bde452471551a8778384e21f53096541b1046f24ac2c0622ff84d206da0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e2ac9b0389d8df5ba10c4397211d842a251c081bd81a60356ae2e255c8cbbe92
[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" "e2ac9b0389d8df5ba10c4397211d842a251c081bd81a60356ae2e255c8cbbe92", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu-js v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "e2ac9b0389d8df5ba10c4397211d842a251c081bd81a60356ae2e255c8cbbe92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ac9b0389d8df5ba10c4397211d842a251c081bd81a60356ae2e255c8cbbe92", kill_on_drop: false }`
[INFO] [stdout] e2ac9b0389d8df5ba10c4397211d842a251c081bd81a60356ae2e255c8cbbe92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bc69f772137e7682e60427a41d310fbb26c4b03b42f9f363340e91c621364ddc
[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" "bc69f772137e7682e60427a41d310fbb26c4b03b42f9f363340e91c621364ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ryu-js v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "bc69f772137e7682e60427a41d310fbb26c4b03b42f9f363340e91c621364ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc69f772137e7682e60427a41d310fbb26c4b03b42f9f363340e91c621364ddc", kill_on_drop: false }`
[INFO] [stdout] bc69f772137e7682e60427a41d310fbb26c4b03b42f9f363340e91c621364ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 285880479f49373219fe9be6e6358cbb57bae23d969b34bc5646d312bddc9de9
[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" "285880479f49373219fe9be6e6358cbb57bae23d969b34bc5646d312bddc9de9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ryu_js-b6fd03f2a9547fb3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common_test-a40cf7b09a683f74
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_decimal_length9 ... ok
[INFO] [stdout] test test_ceil_log2_pow5 ... ok
[INFO] [stdout] test test_log10_pow2 ... ok
[INFO] [stdout] test test_log10_pow5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/d2s_table_test-a19922c1c8153fa8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/d2s_test-0343dff067a9ae0d
[INFO] [stdout] test test_compute_inv_pow5 ... ok
[INFO] [stdout] test test_compute_pow5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_switch_to_subnormal ... ok
[INFO] [stdout] test test_regression ... ok
[INFO] [stdout] test test_lots_of_trailing_zeros ... ok
[INFO] [stdout] test test_looks_like_pow5 ... ok
[INFO] [stdout] test test_min_and_max ... ok
[INFO] [stdout] test test_ryu ... ok
[INFO] [stdout] test test_min_max_shift ... ok
[INFO] [stdout] test test_output_length ... ok
[INFO] [stdout] test max_size_double_to_string ... ok
[INFO] [stdout] test test_ecma262_compliance ... ok
[INFO] [stdout] test test_random ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exhaustive-b5fbfa0150cdaae6
[INFO] [stdout] test test_non_finite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/f2s_test-9c258fa8f95495fd
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_min_and_max ... ok
[INFO] [stdout] test test_switch_to_subnormal ... ok
[INFO] [stdout] test test_lots_of_trailing_zeros ... ok
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] test test_exact_value_round_even ... ok
[INFO] [stdout] test test_boundary_round_even ... ok
[INFO] [stdout] test test_output_length ... ok
[INFO] [stdout] test test_looks_like_pow5 ... ok
[INFO] [stdout] test test_ryu ... ok
[INFO] [stdout] test test_regression ... ok
[INFO] [stdout] test test_random ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/s2d_test-266f0b282e030808
[INFO] [stdout] test test_non_finite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_bad_input ... ok
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] test test_issue157 ... ok
[INFO] [stdout] test test_mantissa_rounding_overflow ... ok
[INFO] [stdout] test test_table_size_denormal ... ok
[INFO] [stdout] test test_overflow ... ok
[INFO] [stdout] test test_min_max ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/s2f_test-518376d8d6f1c517
[INFO] [stdout] test test_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_min_max ... ok
[INFO] [stdout] test test_mantissa_rounding_overflow ... ok
[INFO] [stderr]    Doc-tests ryu-js
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/pretty/mod.rs - pretty::format32 (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/pretty/mod.rs - pretty::format64 (line 37) ... ok
[INFO] [stdout] test src/buffer/mod.rs - buffer::Buffer (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "285880479f49373219fe9be6e6358cbb57bae23d969b34bc5646d312bddc9de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285880479f49373219fe9be6e6358cbb57bae23d969b34bc5646d312bddc9de9", kill_on_drop: false }`
[INFO] [stdout] 285880479f49373219fe9be6e6358cbb57bae23d969b34bc5646d312bddc9de9