[INFO] fetching crate cloudflare-systems-assignment 0.2.2...
[INFO] checking cloudflare-systems-assignment-0.2.2 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate cloudflare-systems-assignment 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cloudflare-systems-assignment 0.2.2 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloudflare-systems-assignment 0.2.2
[INFO] finished tweaking crates.io crate cloudflare-systems-assignment 0.2.2
[INFO] tweaked toml for crates.io crate cloudflare-systems-assignment 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cloudflare-systems-assignment 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", 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] 1a253ea5cddfac34b7ef3394f801f89c8f473711b5441419c2e2ea6e16ca4cef
[INFO] running `Command { std: "docker" "start" "-a" "1a253ea5cddfac34b7ef3394f801f89c8f473711b5441419c2e2ea6e16ca4cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a253ea5cddfac34b7ef3394f801f89c8f473711b5441419c2e2ea6e16ca4cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a253ea5cddfac34b7ef3394f801f89c8f473711b5441419c2e2ea6e16ca4cef", kill_on_drop: false }`
[INFO] [stdout] 1a253ea5cddfac34b7ef3394f801f89c8f473711b5441419c2e2ea6e16ca4cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 1311c79d33b7853c8a997b4a3541513f42b824b7453b63cc053fad3d4d9dd584
[INFO] running `Command { std: "docker" "start" "-a" "1311c79d33b7853c8a997b4a3541513f42b824b7453b63cc053fad3d4d9dd584", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking billboard v0.1.0
[INFO] [stderr]     Checking cloudflare-systems-assignment v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `Command { std: "docker" "inspect" "1311c79d33b7853c8a997b4a3541513f42b824b7453b63cc053fad3d4d9dd584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1311c79d33b7853c8a997b4a3541513f42b824b7453b63cc053fad3d4d9dd584", kill_on_drop: false }`
[INFO] [stdout] 1311c79d33b7853c8a997b4a3541513f42b824b7453b63cc053fad3d4d9dd584