[INFO] cloning repository https://github.com/crome110/iiif_images_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crome110/iiif_images_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrome110%2Fiiif_images_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrome110%2Fiiif_images_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adbd1c06271db2b4b3fa78578613bd6f6d319883
[INFO] checking crome110/iiif_images_sample against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrome110%2Fiiif_images_sample" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crome110/iiif_images_sample on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crome110/iiif_images_sample
[INFO] finished tweaking git repo https://github.com/crome110/iiif_images_sample
[INFO] tweaked toml for git repo https://github.com/crome110/iiif_images_sample written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/crome110/iiif_images_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6994c79657e497e0b0a71808326f4d2fa815236f6310a3ae4db59b1855af34
[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" "1d6994c79657e497e0b0a71808326f4d2fa815236f6310a3ae4db59b1855af34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6994c79657e497e0b0a71808326f4d2fa815236f6310a3ae4db59b1855af34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6994c79657e497e0b0a71808326f4d2fa815236f6310a3ae4db59b1855af34", kill_on_drop: false }`
[INFO] [stdout] 1d6994c79657e497e0b0a71808326f4d2fa815236f6310a3ae4db59b1855af34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eea0afdbba2ee5e38793d7c1e7c37e7c7f09b9f4faa7c39f70c62478ac5764ef
[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" "eea0afdbba2ee5e38793d7c1e7c37e7c7f09b9f4faa7c39f70c62478ac5764ef", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.23
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking iiif_images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iiif_images`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eea0afdbba2ee5e38793d7c1e7c37e7c7f09b9f4faa7c39f70c62478ac5764ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea0afdbba2ee5e38793d7c1e7c37e7c7f09b9f4faa7c39f70c62478ac5764ef", kill_on_drop: false }`
[INFO] [stdout] eea0afdbba2ee5e38793d7c1e7c37e7c7f09b9f4faa7c39f70c62478ac5764ef