[INFO] fetching crate readings 0.1.3...
[INFO] testing readings-0.1.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate readings 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate readings 0.1.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readings 0.1.3
[INFO] finished tweaking crates.io crate readings 0.1.3
[INFO] tweaked toml for crates.io crate readings 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate readings 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.62
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded freetype v0.4.1
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded dwrote v0.10.0
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded core-graphics v0.19.0
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded servo-fontconfig v0.4.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded font-kit v0.6.0
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded expat-sys v2.1.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.62
[INFO] [stderr]   Downloaded png v0.16.3
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded palette_derive v0.5.0
[INFO] [stderr]   Downloaded web-sys v0.3.39
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.19
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.62
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.62
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.5
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded image v0.23.4
[INFO] [stderr]   Downloaded js-sys v0.3.39
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.62
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded plotters v0.2.14
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2204f7fc54104c88980dccabf8aec24bc4e88b078f71f4dd8bae7f6d3dc3ee
[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" "ec2204f7fc54104c88980dccabf8aec24bc4e88b078f71f4dd8bae7f6d3dc3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2204f7fc54104c88980dccabf8aec24bc4e88b078f71f4dd8bae7f6d3dc3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2204f7fc54104c88980dccabf8aec24bc4e88b078f71f4dd8bae7f6d3dc3ee", kill_on_drop: false }`
[INFO] [stdout] ec2204f7fc54104c88980dccabf8aec24bc4e88b078f71f4dd8bae7f6d3dc3ee
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0916b322451a8bd5275837460907cd41fdc44408f9cfd4c9cabf7af7af57d90
[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" "e0916b322451a8bd5275837460907cd41fdc44408f9cfd4c9cabf7af7af57d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling font-kit v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling readings v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.44s
[INFO] running `Command { std: "docker" "inspect" "e0916b322451a8bd5275837460907cd41fdc44408f9cfd4c9cabf7af7af57d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0916b322451a8bd5275837460907cd41fdc44408f9cfd4c9cabf7af7af57d90", kill_on_drop: false }`
[INFO] [stdout] e0916b322451a8bd5275837460907cd41fdc44408f9cfd4c9cabf7af7af57d90
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b945e0238d0cea395da46e8b6f5ac7b5df783151ad42c83ca02675440915e8
[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" "26b945e0238d0cea395da46e8b6f5ac7b5df783151ad42c83ca02675440915e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling readings v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "26b945e0238d0cea395da46e8b6f5ac7b5df783151ad42c83ca02675440915e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b945e0238d0cea395da46e8b6f5ac7b5df783151ad42c83ca02675440915e8", kill_on_drop: false }`
[INFO] [stdout] 26b945e0238d0cea395da46e8b6f5ac7b5df783151ad42c83ca02675440915e8
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] cb385b57fdbf723f02c9cb63faf4e307b6165528719116a26dd51bcbc0aac8a5
[INFO] running `Command { std: "docker" "start" "-a" "cb385b57fdbf723f02c9cb63faf4e307b6165528719116a26dd51bcbc0aac8a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readings-70b7dfda1ab35208)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb385b57fdbf723f02c9cb63faf4e307b6165528719116a26dd51bcbc0aac8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb385b57fdbf723f02c9cb63faf4e307b6165528719116a26dd51bcbc0aac8a5", kill_on_drop: false }`
[INFO] [stdout] cb385b57fdbf723f02c9cb63faf4e307b6165528719116a26dd51bcbc0aac8a5