[INFO] fetching crate readings 0.1.3...
[INFO] checking readings-0.1.3 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[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 af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", 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] a2b4585d641fb57bab8c9b454941d9332acdcfac8b43288c562f899efa1a73ff
[INFO] running `Command { std: "docker" "start" "-a" "a2b4585d641fb57bab8c9b454941d9332acdcfac8b43288c562f899efa1a73ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b4585d641fb57bab8c9b454941d9332acdcfac8b43288c562f899efa1a73ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b4585d641fb57bab8c9b454941d9332acdcfac8b43288c562f899efa1a73ff", kill_on_drop: false }`
[INFO] [stdout] a2b4585d641fb57bab8c9b454941d9332acdcfac8b43288c562f899efa1a73ff
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66dd8beec828d1454fc9ed2e760047f6b3944280ab9f55afe7ba96f14c995f0e
[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" "66dd8beec828d1454fc9ed2e760047f6b3944280ab9f55afe7ba96f14c995f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking clap v2.33.0
[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 pathfinder_simd v0.5.0
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking font-kit v0.6.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking plotters v0.2.14
[INFO] [stderr]     Checking readings v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.60s
[INFO] running `Command { std: "docker" "inspect" "66dd8beec828d1454fc9ed2e760047f6b3944280ab9f55afe7ba96f14c995f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dd8beec828d1454fc9ed2e760047f6b3944280ab9f55afe7ba96f14c995f0e", kill_on_drop: false }`
[INFO] [stdout] 66dd8beec828d1454fc9ed2e760047f6b3944280ab9f55afe7ba96f14c995f0e
