[INFO] cloning repository https://github.com/njskalski/bug-report-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njskalski/bug-report-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffdf621b27c1efc3b45dce072641f8686ccdc65f
[INFO] checking njskalski/bug-report-1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1" "/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/njskalski/bug-report-1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njskalski/bug-report-1
[INFO] finished tweaking git repo https://github.com/njskalski/bug-report-1
[INFO] tweaked toml for git repo https://github.com/njskalski/bug-report-1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/njskalski/bug-report-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded array-macro v1.0.2
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.2
[INFO] [stderr]   Downloaded enum-map-derive v0.2.5
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded enumset v0.3.3
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded enum-map v0.2.29
[INFO] [stderr]   Downloaded serde v1.0.54
[INFO] [stderr]   Downloaded syn v0.13.9
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded cursive v0.8.1
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded ncurses v5.91.0
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded stderrlog v0.4.0
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccaca691240a1cfbe2a0d8777dbfe5ec423cf50902e63f8bc526ba4a8c011606
[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" "ccaca691240a1cfbe2a0d8777dbfe5ec423cf50902e63f8bc526ba4a8c011606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccaca691240a1cfbe2a0d8777dbfe5ec423cf50902e63f8bc526ba4a8c011606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccaca691240a1cfbe2a0d8777dbfe5ec423cf50902e63f8bc526ba4a8c011606", kill_on_drop: false }`
[INFO] [stdout] ccaca691240a1cfbe2a0d8777dbfe5ec423cf50902e63f8bc526ba4a8c011606
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 194d2b01d0b1e91794fa27deb89cc745538aa58f7959999b7c1957a810cf2160
[INFO] running `Command { std: "docker" "start" "-a" "194d2b01d0b1e91794fa27deb89cc745538aa58f7959999b7c1957a810cf2160", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking reexport-proc-macro v1.0.2
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking serde v1.0.54
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking stderrlog v0.4.0
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.2.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking enum-map v0.2.29
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]     Checking bug1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.03s
[INFO] running `Command { std: "docker" "inspect" "194d2b01d0b1e91794fa27deb89cc745538aa58f7959999b7c1957a810cf2160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194d2b01d0b1e91794fa27deb89cc745538aa58f7959999b7c1957a810cf2160", kill_on_drop: false }`
[INFO] [stdout] 194d2b01d0b1e91794fa27deb89cc745538aa58f7959999b7c1957a810cf2160