[INFO] cloning repository https://github.com/bitzl/iiif-presenter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitzl/iiif-presenter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzl%2Fiiif-presenter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzl%2Fiiif-presenter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e9030e98fac96934f3226bbcb26da3e78791218
[INFO] checking bitzl/iiif-presenter against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzl%2Fiiif-presenter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitzl/iiif-presenter on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bitzl/iiif-presenter
[INFO] finished tweaking git repo https://github.com/bitzl/iiif-presenter
[INFO] tweaked toml for git repo https://github.com/bitzl/iiif-presenter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bitzl/iiif-presenter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 908a8c7d6f9c1403c20f5e3a2f5aaf6546e7d013fe57bc7d3dd38d8a8930a270
[INFO] running `Command { std: "docker" "start" "-a" "908a8c7d6f9c1403c20f5e3a2f5aaf6546e7d013fe57bc7d3dd38d8a8930a270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908a8c7d6f9c1403c20f5e3a2f5aaf6546e7d013fe57bc7d3dd38d8a8930a270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908a8c7d6f9c1403c20f5e3a2f5aaf6546e7d013fe57bc7d3dd38d8a8930a270", kill_on_drop: false }`
[INFO] [stdout] 908a8c7d6f9c1403c20f5e3a2f5aaf6546e7d013fe57bc7d3dd38d8a8930a270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af65b6ebdeee4468b05d6e56fd48ae5274878be802c36afbdea8f4288cd00637
[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" "af65b6ebdeee4468b05d6e56fd48ae5274878be802c36afbdea8f4288cd00637", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking imagesize v0.8.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking threadpool v1.8.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking iiif-forager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Err(e) => Err(nom::Err::Error(nom::error::ParseError::from_error_kind(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         Err(e) => Err(nom::Err::Error(nom::error::ParseError::from_error_kind(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/iiif/metadata.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new<S: Into<String>>(value: S, language: S) -> LocalizedValue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_value`
[INFO] [stdout]   --> src/iiif/metadata.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn key_value<S: Into<String>>(label: S, value: S) -> Metadata {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list`
[INFO] [stdout]   --> src/iiif/metadata.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn list<S: Into<String>>(label: S, values: Vec<String>) -> Metadata {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `localized`
[INFO] [stdout]   --> src/iiif/metadata.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn localized<S: Into<String>>(label: S, values: Vec<LocalizedValue>) -> Metadata {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Err(e) => Err(nom::Err::Error(nom::error::ParseError::from_error_kind(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/image/png.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         Err(e) => Err(nom::Err::Error(nom::error::ParseError::from_error_kind(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `Command { std: "docker" "inspect" "af65b6ebdeee4468b05d6e56fd48ae5274878be802c36afbdea8f4288cd00637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af65b6ebdeee4468b05d6e56fd48ae5274878be802c36afbdea8f4288cd00637", kill_on_drop: false }`
[INFO] [stdout] af65b6ebdeee4468b05d6e56fd48ae5274878be802c36afbdea8f4288cd00637