[INFO] fetching crate dumbnet 0.1.0...
[INFO] checking dumbnet-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate dumbnet 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dumbnet 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dumbnet 0.1.0
[INFO] finished tweaking crates.io crate dumbnet 0.1.0
[INFO] tweaked toml for crates.io crate dumbnet 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate dumbnet 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded gnuplot v0.0.32
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded numeric-array v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7001c008a752ddd57298392fe898b9dd136c5fe2bfccbffbf1ba37856d7b226c
[INFO] running `Command { std: "docker" "start" "-a" "7001c008a752ddd57298392fe898b9dd136c5fe2bfccbffbf1ba37856d7b226c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7001c008a752ddd57298392fe898b9dd136c5fe2bfccbffbf1ba37856d7b226c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7001c008a752ddd57298392fe898b9dd136c5fe2bfccbffbf1ba37856d7b226c", kill_on_drop: false }`
[INFO] [stdout] 7001c008a752ddd57298392fe898b9dd136c5fe2bfccbffbf1ba37856d7b226c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1228cbbacab329c76932ed0fd473b9703e1fdaf18982daa5ba04e2d0c8a3c90
[INFO] running `Command { std: "docker" "start" "-a" "f1228cbbacab329c76932ed0fd473b9703e1fdaf18982daa5ba04e2d0c8a3c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking numeric-array v0.4.2
[INFO] [stderr]     Checking dumbnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.46s
[INFO] running `Command { std: "docker" "inspect" "f1228cbbacab329c76932ed0fd473b9703e1fdaf18982daa5ba04e2d0c8a3c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1228cbbacab329c76932ed0fd473b9703e1fdaf18982daa5ba04e2d0c8a3c90", kill_on_drop: false }`
[INFO] [stdout] f1228cbbacab329c76932ed0fd473b9703e1fdaf18982daa5ba04e2d0c8a3c90