[INFO] fetching crate boxx 0.0.3-beta...
[INFO] checking boxx-0.0.3-beta against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate boxx 0.0.3-beta into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate boxx 0.0.3-beta on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxx 0.0.3-beta
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate boxx 0.0.3-beta
[INFO] tweaked toml for crates.io crate boxx 0.0.3-beta written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate boxx 0.0.3-beta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8272a98959b3ff1a4cbdf645722275a9817c71bce3b3b410e96faa14e91d3c47
[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" "8272a98959b3ff1a4cbdf645722275a9817c71bce3b3b410e96faa14e91d3c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8272a98959b3ff1a4cbdf645722275a9817c71bce3b3b410e96faa14e91d3c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8272a98959b3ff1a4cbdf645722275a9817c71bce3b3b410e96faa14e91d3c47", kill_on_drop: false }`
[INFO] [stdout] 8272a98959b3ff1a4cbdf645722275a9817c71bce3b3b410e96faa14e91d3c47
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34248218f6e716724a12fc29840991f64450dafe7d8da08df15b4b8f9f074049
[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" "34248218f6e716724a12fc29840991f64450dafe7d8da08df15b4b8f9f074049", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking boxx v0.0.3-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.21s
[INFO] running `Command { std: "docker" "inspect" "34248218f6e716724a12fc29840991f64450dafe7d8da08df15b4b8f9f074049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34248218f6e716724a12fc29840991f64450dafe7d8da08df15b4b8f9f074049", kill_on_drop: false }`
[INFO] [stdout] 34248218f6e716724a12fc29840991f64450dafe7d8da08df15b4b8f9f074049