[INFO] cloning repository https://github.com/sixteen05/mahnung
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sixteen05/mahnung" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixteen05%2Fmahnung", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixteen05%2Fmahnung'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e6c5b247e30c6f7dfe43a305064645296f01363
[INFO] checking sixteen05/mahnung against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixteen05%2Fmahnung" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sixteen05/mahnung on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sixteen05/mahnung
[INFO] finished tweaking git repo https://github.com/sixteen05/mahnung
[INFO] tweaked toml for git repo https://github.com/sixteen05/mahnung written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sixteen05/mahnung already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded cron v0.6.1
[INFO] [stderr]   Downloaded cron_tab v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded notify-rust v4.0.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded winrt-notification v0.2.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.3
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d05dc82ce5b0977d9546d80780b85262f6e5130433e3e4d31bc5a1440a114e
[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" "b9d05dc82ce5b0977d9546d80780b85262f6e5130433e3e4d31bc5a1440a114e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d05dc82ce5b0977d9546d80780b85262f6e5130433e3e4d31bc5a1440a114e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d05dc82ce5b0977d9546d80780b85262f6e5130433e3e4d31bc5a1440a114e", kill_on_drop: false }`
[INFO] [stdout] b9d05dc82ce5b0977d9546d80780b85262f6e5130433e3e4d31bc5a1440a114e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8bc41941106614398864236c7fa8518051325c5c37528a8ef3941e8e40980739
[INFO] running `Command { std: "docker" "start" "-a" "8bc41941106614398864236c7fa8518051325c5c37528a8ef3941e8e40980739", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking cron v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking cron_tab v0.1.1
[INFO] [stderr]     Checking mahnung v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "8bc41941106614398864236c7fa8518051325c5c37528a8ef3941e8e40980739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc41941106614398864236c7fa8518051325c5c37528a8ef3941e8e40980739", kill_on_drop: false }`
[INFO] [stdout] 8bc41941106614398864236c7fa8518051325c5c37528a8ef3941e8e40980739