[INFO] fetching crate airmux 0.2.3...
[INFO] checking airmux-0.2.3 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate airmux 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate airmux 0.2.3 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airmux 0.2.3
[INFO] finished tweaking crates.io crate airmux 0.2.3
[INFO] tweaked toml for crates.io crate airmux 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate airmux 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] [stderr]   Downloaded main_error v0.1.1
[INFO] [stderr]   Downloaded shell-words v1.0.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55894951dc92ae51b6ec302983dfe9a29922c0dfb42543447b2df58b77d31a2
[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" "c55894951dc92ae51b6ec302983dfe9a29922c0dfb42543447b2df58b77d31a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55894951dc92ae51b6ec302983dfe9a29922c0dfb42543447b2df58b77d31a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55894951dc92ae51b6ec302983dfe9a29922c0dfb42543447b2df58b77d31a2", kill_on_drop: false }`
[INFO] [stdout] c55894951dc92ae51b6ec302983dfe9a29922c0dfb42543447b2df58b77d31a2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd6f338797bcafa8a61e9e1cd5880ffe4968546fb1093374b68d888f1189056f
[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" "dd6f338797bcafa8a61e9e1cd5880ffe4968546fb1093374b68d888f1189056f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking airmux v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.92s
[INFO] running `Command { std: "docker" "inspect" "dd6f338797bcafa8a61e9e1cd5880ffe4968546fb1093374b68d888f1189056f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6f338797bcafa8a61e9e1cd5880ffe4968546fb1093374b68d888f1189056f", kill_on_drop: false }`
[INFO] [stdout] dd6f338797bcafa8a61e9e1cd5880ffe4968546fb1093374b68d888f1189056f