[INFO] cloning repository https://github.com/DevOrc/aurora
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevOrc/aurora" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevOrc%2Faurora", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevOrc%2Faurora'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a694c080e80b880f55130b40303fb5c2e2d0180
[INFO] checking DevOrc/aurora against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevOrc%2Faurora" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevOrc/aurora on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevOrc/aurora
[INFO] finished tweaking git repo https://github.com/DevOrc/aurora
[INFO] tweaked toml for git repo https://github.com/DevOrc/aurora written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/DevOrc/aurora already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.78
[INFO] [stderr]   Downloaded serde v1.0.78
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded nom v4.0.0
[INFO] [stderr]   Downloaded syn v0.15.3
[INFO] [stderr]   Downloaded dirs v1.0.3
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded smallstr v0.1.0
[INFO] [stderr]   Downloaded mortal v0.1.5
[INFO] [stderr]   Downloaded linefeed v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afbd568b9642724d066258117ec9c3913731aeebb7dd14eb3033d5a31f7481a4
[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" "afbd568b9642724d066258117ec9c3913731aeebb7dd14eb3033d5a31f7481a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afbd568b9642724d066258117ec9c3913731aeebb7dd14eb3033d5a31f7481a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbd568b9642724d066258117ec9c3913731aeebb7dd14eb3033d5a31f7481a4", kill_on_drop: false }`
[INFO] [stdout] afbd568b9642724d066258117ec9c3913731aeebb7dd14eb3033d5a31f7481a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5ceabbc513299e68bf929839215640a12605966761edde21b4d4e8f6cc50ca
[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" "0c5ceabbc513299e68bf929839215640a12605966761edde21b4d4e8f6cc50ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking aurora v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking linefeed v0.5.3
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/toml.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     for mut stmt in stmts.iter_mut(){
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.73s
[INFO] running `Command { std: "docker" "inspect" "0c5ceabbc513299e68bf929839215640a12605966761edde21b4d4e8f6cc50ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5ceabbc513299e68bf929839215640a12605966761edde21b4d4e8f6cc50ca", kill_on_drop: false }`
[INFO] [stdout] 0c5ceabbc513299e68bf929839215640a12605966761edde21b4d4e8f6cc50ca