[INFO] fetching crate readings 0.1.3...
[INFO] testing readings-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate readings 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate readings 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a1f157edd67b5b9dc1c980bd1ca8066e2cdfdbadb357118657aa88d7464567
[INFO] running `Command { std: "docker" "start" "-a" "04a1f157edd67b5b9dc1c980bd1ca8066e2cdfdbadb357118657aa88d7464567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a1f157edd67b5b9dc1c980bd1ca8066e2cdfdbadb357118657aa88d7464567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a1f157edd67b5b9dc1c980bd1ca8066e2cdfdbadb357118657aa88d7464567", kill_on_drop: false }`
[INFO] [stdout] 04a1f157edd67b5b9dc1c980bd1ca8066e2cdfdbadb357118657aa88d7464567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402dfd1e5111a86948529b63a9372c969574e9e83ea975d4dff7dbc389ee9a04
[INFO] running `Command { std: "docker" "start" "-a" "402dfd1e5111a86948529b63a9372c969574e9e83ea975d4dff7dbc389ee9a04", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[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 expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling quote v1.0.4
[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 chrono v0.4.11
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling font-kit v0.6.0
[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 18.06s
[INFO] running `Command { std: "docker" "inspect" "402dfd1e5111a86948529b63a9372c969574e9e83ea975d4dff7dbc389ee9a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402dfd1e5111a86948529b63a9372c969574e9e83ea975d4dff7dbc389ee9a04", kill_on_drop: false }`
[INFO] [stdout] 402dfd1e5111a86948529b63a9372c969574e9e83ea975d4dff7dbc389ee9a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7941b84fe20ece61b38a98f962b56fb0c0074636434845d22c84b2457eaca592
[INFO] running `Command { std: "docker" "start" "-a" "7941b84fe20ece61b38a98f962b56fb0c0074636434845d22c84b2457eaca592", kill_on_drop: false }`
[INFO] [stderr]    Compiling readings v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "7941b84fe20ece61b38a98f962b56fb0c0074636434845d22c84b2457eaca592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7941b84fe20ece61b38a98f962b56fb0c0074636434845d22c84b2457eaca592", kill_on_drop: false }`
[INFO] [stdout] 7941b84fe20ece61b38a98f962b56fb0c0074636434845d22c84b2457eaca592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d47fec4145e414e2fcf31906889685a9e726e5d1855e3bedb71567de6e5256a
[INFO] running `Command { std: "docker" "start" "-a" "9d47fec4145e414e2fcf31906889685a9e726e5d1855e3bedb71567de6e5256a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readings-0e8c774cd32282d9)
[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" "9d47fec4145e414e2fcf31906889685a9e726e5d1855e3bedb71567de6e5256a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d47fec4145e414e2fcf31906889685a9e726e5d1855e3bedb71567de6e5256a", kill_on_drop: false }`
[INFO] [stdout] 9d47fec4145e414e2fcf31906889685a9e726e5d1855e3bedb71567de6e5256a