[INFO] fetching crate synterm 0.3.1...
[INFO] checking synterm-0.3.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate synterm 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate synterm 0.3.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synterm 0.3.1
[INFO] finished tweaking crates.io crate synterm 0.3.1
[INFO] tweaked toml for crates.io crate synterm 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate synterm 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.16.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded logos v0.9.7
[INFO] [stderr]   Downloaded logos-derive v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5902210328dc6ac6ba9778158e2b955fd2d30c7022b927b37d18e81fbe851d76
[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" "5902210328dc6ac6ba9778158e2b955fd2d30c7022b927b37d18e81fbe851d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5902210328dc6ac6ba9778158e2b955fd2d30c7022b927b37d18e81fbe851d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5902210328dc6ac6ba9778158e2b955fd2d30c7022b927b37d18e81fbe851d76", kill_on_drop: false }`
[INFO] [stdout] 5902210328dc6ac6ba9778158e2b955fd2d30c7022b927b37d18e81fbe851d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] b54ff3d17f7e33f817807413a96fbbdf00f55fc18d27aaa786affac4e444e051
[INFO] running `Command { std: "docker" "start" "-a" "b54ff3d17f7e33f817807413a96fbbdf00f55fc18d27aaa786affac4e444e051", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stderr]     Checking logos v0.9.7
[INFO] [stderr]     Checking synterm v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.66s
[INFO] running `Command { std: "docker" "inspect" "b54ff3d17f7e33f817807413a96fbbdf00f55fc18d27aaa786affac4e444e051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54ff3d17f7e33f817807413a96fbbdf00f55fc18d27aaa786affac4e444e051", kill_on_drop: false }`
[INFO] [stdout] b54ff3d17f7e33f817807413a96fbbdf00f55fc18d27aaa786affac4e444e051