[INFO] cloning repository https://github.com/schrodinger17/Caeser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schrodinger17/Caeser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschrodinger17%2FCaeser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschrodinger17%2FCaeser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34325571a66258197345f4605e5c91e25c7dcedf
[INFO] checking schrodinger17/Caeser against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschrodinger17%2FCaeser" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schrodinger17/Caeser on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schrodinger17/Caeser
[INFO] finished tweaking git repo https://github.com/schrodinger17/Caeser
[INFO] tweaked toml for git repo https://github.com/schrodinger17/Caeser written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/schrodinger17/Caeser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded core-graphics v0.19.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded palette_derive v0.5.0
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded font-kit v0.6.0
[INFO] [stderr]   Downloaded dwrote v0.10.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 73f342833f32838af475d08b7df7c54208a4231892251e03274efe6fcca42876
[INFO] running `Command { std: "docker" "start" "-a" "73f342833f32838af475d08b7df7c54208a4231892251e03274efe6fcca42876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73f342833f32838af475d08b7df7c54208a4231892251e03274efe6fcca42876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f342833f32838af475d08b7df7c54208a4231892251e03274efe6fcca42876", kill_on_drop: false }`
[INFO] [stdout] 73f342833f32838af475d08b7df7c54208a4231892251e03274efe6fcca42876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2de1b6f5f841e7248abb848c26179ea9c8c34653c629a6bf5e1a0e72456bf4
[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" "6d2de1b6f5f841e7248abb848c26179ea9c8c34653c629a6bf5e1a0e72456bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[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 proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking font-kit v0.6.0
[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 caeser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `Command { std: "docker" "inspect" "6d2de1b6f5f841e7248abb848c26179ea9c8c34653c629a6bf5e1a0e72456bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2de1b6f5f841e7248abb848c26179ea9c8c34653c629a6bf5e1a0e72456bf4", kill_on_drop: false }`
[INFO] [stdout] 6d2de1b6f5f841e7248abb848c26179ea9c8c34653c629a6bf5e1a0e72456bf4