[INFO] cloning repository https://github.com/lukad/rbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukad/rbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ac14af1e5693b89a14757664c53bd434edee70
[INFO] checking lukad/rbf against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Frbf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukad/rbf on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukad/rbf
[INFO] finished tweaking git repo https://github.com/lukad/rbf
[INFO] tweaked toml for git repo https://github.com/lukad/rbf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lukad/rbf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 981c0cdc8a88ce4ab8060e38396a781259a61f7f3b5f075e283b729be64cece2
[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" "981c0cdc8a88ce4ab8060e38396a781259a61f7f3b5f075e283b729be64cece2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981c0cdc8a88ce4ab8060e38396a781259a61f7f3b5f075e283b729be64cece2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981c0cdc8a88ce4ab8060e38396a781259a61f7f3b5f075e283b729be64cece2", kill_on_drop: false }`
[INFO] [stdout] 981c0cdc8a88ce4ab8060e38396a781259a61f7f3b5f075e283b729be64cece2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1c1ffe9d84030fa39ee7ab6ed633a8393f0bf089a6451d20ba0d61b4ecccd7
[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" "9f1c1ffe9d84030fa39ee7ab6ed633a8393f0bf089a6451d20ba0d61b4ecccd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking combine v3.6.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling dynasm v1.0.0
[INFO] [stderr]     Checking dynasmrt v1.0.0
[INFO] [stderr]     Checking librbf v0.1.0 (/opt/rustwide/workdir/librbf)
[INFO] [stderr]     Checking rbf v0.1.0 (/opt/rustwide/workdir/rbf)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.18s
[INFO] running `Command { std: "docker" "inspect" "9f1c1ffe9d84030fa39ee7ab6ed633a8393f0bf089a6451d20ba0d61b4ecccd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1c1ffe9d84030fa39ee7ab6ed633a8393f0bf089a6451d20ba0d61b4ecccd7", kill_on_drop: false }`
[INFO] [stdout] 9f1c1ffe9d84030fa39ee7ab6ed633a8393f0bf089a6451d20ba0d61b4ecccd7