[INFO] fetching crate kattis 0.2.3...
[INFO] checking kattis-0.2.3 against master#4a0ee3cdc66573c8b46471462db7088a89d25183 for pr-102513-1
[INFO] extracting crate kattis 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kattis 0.2.3 on toolchain 4a0ee3cdc66573c8b46471462db7088a89d25183
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kattis 0.2.3
[INFO] finished tweaking crates.io crate kattis 0.2.3
[INFO] tweaked toml for crates.io crate kattis 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kattis 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded net2 v0.2.36
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded crossterm_utils v0.3.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded crossterm_cursor v0.3.1
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded crossterm_screen v0.3.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.3.0
[INFO] [stderr]   Downloaded crossterm_terminal v0.3.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded crossterm_input v0.4.1
[INFO] [stderr]   Downloaded crossterm_style v0.5.2
[INFO] [stderr]   Downloaded crossterm v0.11.1
[INFO] [stderr]   Downloaded crossterm_cursor v0.4.0
[INFO] [stderr]   Downloaded crossterm_input v0.5.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded inotify-sys v0.1.4
[INFO] [stderr]   Downloaded crossterm_utils v0.4.0
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d126016cc172c4bcead4b7517045ae86fc61f9206a5c644f6a855c7eaaacaf0d
[INFO] running `Command { std: "docker" "start" "-a" "d126016cc172c4bcead4b7517045ae86fc61f9206a5c644f6a855c7eaaacaf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d126016cc172c4bcead4b7517045ae86fc61f9206a5c644f6a855c7eaaacaf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d126016cc172c4bcead4b7517045ae86fc61f9206a5c644f6a855c7eaaacaf0d", kill_on_drop: false }`
[INFO] [stdout] d126016cc172c4bcead4b7517045ae86fc61f9206a5c644f6a855c7eaaacaf0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb838cdfcae6eb260ca05c1043d968041d04f1c7f210bf945b9e0d8e2f7af964
[INFO] running `Command { std: "docker" "start" "-a" "cb838cdfcae6eb260ca05c1043d968041d04f1c7f210bf945b9e0d8e2f7af964", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking crossterm_utils v0.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking crossterm_screen v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking crossterm_input v0.5.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking crossterm_cursor v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking crossterm_terminal v0.3.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking crossterm_style v0.5.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking kattis v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Template {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 50 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Template` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Template {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 50 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Template` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "cb838cdfcae6eb260ca05c1043d968041d04f1c7f210bf945b9e0d8e2f7af964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb838cdfcae6eb260ca05c1043d968041d04f1c7f210bf945b9e0d8e2f7af964", kill_on_drop: false }`
[INFO] [stdout] cb838cdfcae6eb260ca05c1043d968041d04f1c7f210bf945b9e0d8e2f7af964