[INFO] fetching crate collatz 0.4.0...
[INFO] checking collatz-0.4.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate collatz 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate collatz 0.4.0 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 collatz 0.4.0
[INFO] finished tweaking crates.io crate collatz 0.4.0
[INFO] tweaked toml for crates.io crate collatz 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate collatz 0.4.0 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 drawille v0.3.0
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded textplots v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8335bb73c7ae8a7f5235bd4aeec982b71346b9d84ca5ac646f0b0f8fbed045d6
[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" "8335bb73c7ae8a7f5235bd4aeec982b71346b9d84ca5ac646f0b0f8fbed045d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8335bb73c7ae8a7f5235bd4aeec982b71346b9d84ca5ac646f0b0f8fbed045d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8335bb73c7ae8a7f5235bd4aeec982b71346b9d84ca5ac646f0b0f8fbed045d6", kill_on_drop: false }`
[INFO] [stdout] 8335bb73c7ae8a7f5235bd4aeec982b71346b9d84ca5ac646f0b0f8fbed045d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 482fd84e1f8bb1d2fbb218b75c5e2c008a1535f32ec23ecf6e25cd9c3fca6084
[INFO] running `Command { std: "docker" "start" "-a" "482fd84e1f8bb1d2fbb218b75c5e2c008a1535f32ec23ecf6e25cd9c3fca6084", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking drawille v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking collatz v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking textplots v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.52s
[INFO] running `Command { std: "docker" "inspect" "482fd84e1f8bb1d2fbb218b75c5e2c008a1535f32ec23ecf6e25cd9c3fca6084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482fd84e1f8bb1d2fbb218b75c5e2c008a1535f32ec23ecf6e25cd9c3fca6084", kill_on_drop: false }`
[INFO] [stdout] 482fd84e1f8bb1d2fbb218b75c5e2c008a1535f32ec23ecf6e25cd9c3fca6084