[INFO] cloning repository https://github.com/jxs/currencies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jxs/currencies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Fcurrencies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Fcurrencies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10b2c01c6d1817f245e93d3eede101fd7b9ce765
[INFO] checking jxs/currencies against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Fcurrencies" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jxs/currencies on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jxs/currencies
[INFO] finished tweaking git repo https://github.com/jxs/currencies
[INFO] tweaked toml for git repo https://github.com/jxs/currencies written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jxs/currencies already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32bc5f90e41d35edaa0df0f47c088263e93c104b5bc15b511a99302c3eadf83c
[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" "32bc5f90e41d35edaa0df0f47c088263e93c104b5bc15b511a99302c3eadf83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32bc5f90e41d35edaa0df0f47c088263e93c104b5bc15b511a99302c3eadf83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bc5f90e41d35edaa0df0f47c088263e93c104b5bc15b511a99302c3eadf83c", kill_on_drop: false }`
[INFO] [stdout] 32bc5f90e41d35edaa0df0f47c088263e93c104b5bc15b511a99302c3eadf83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fde7c59574d96f042764c68127718ec3582bcc60fd77735ee7934c4928b22db
[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" "1fde7c59574d96f042764c68127718ec3582bcc60fd77735ee7934c4928b22db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]     Checking hyper-rustls v0.19.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking pagecache v0.19.4
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]     Checking warp v0.2.2
[INFO] [stderr]     Checking sled v0.28.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking currencies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "1fde7c59574d96f042764c68127718ec3582bcc60fd77735ee7934c4928b22db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fde7c59574d96f042764c68127718ec3582bcc60fd77735ee7934c4928b22db", kill_on_drop: false }`
[INFO] [stdout] 1fde7c59574d96f042764c68127718ec3582bcc60fd77735ee7934c4928b22db