[INFO] cloning repository https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanYouTeachMeHowToCode%2FIDS721-individual-project-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanYouTeachMeHowToCode%2FIDS721-individual-project-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2040a9ffcbab13f3836b0f80b6669d4a2ad03f12
[INFO] testing CanYouTeachMeHowToCode/IDS721-individual-project-3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanYouTeachMeHowToCode%2FIDS721-individual-project-3" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3
[INFO] finished tweaking git repo https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3
[INFO] tweaked toml for git repo https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CanYouTeachMeHowToCode/IDS721-individual-project-3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
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[INFO] [stderr]   Downloaded ordered-float v3.4.0
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[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded idna v0.1.5
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[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded unicode-normalization-alignments v0.1.12
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded rust_tokenizers v7.0.2
[INFO] [stderr]   Downloaded protobuf v2.27.1
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[INFO] [stderr]   Downloaded ureq v2.6.2
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[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
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[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
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[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f11a0d1222d636b155328ee45aac30749a48d2a98ba830e5c7a249213b5e69
[INFO] running `Command { std: "docker" "start" "-a" "d2f11a0d1222d636b155328ee45aac30749a48d2a98ba830e5c7a249213b5e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f11a0d1222d636b155328ee45aac30749a48d2a98ba830e5c7a249213b5e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f11a0d1222d636b155328ee45aac30749a48d2a98ba830e5c7a249213b5e69", kill_on_drop: false }`
[INFO] [stdout] d2f11a0d1222d636b155328ee45aac30749a48d2a98ba830e5c7a249213b5e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c537703126d1c3431c67eaf3fee0a91f8243a3dfbccf20f83ac5afab9c30b788
[INFO] running `Command { std: "docker" "start" "-a" "c537703126d1c3431c67eaf3fee0a91f8243a3dfbccf20f83ac5afab9c30b788", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c537703126d1c3431c67eaf3fee0a91f8243a3dfbccf20f83ac5afab9c30b788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c537703126d1c3431c67eaf3fee0a91f8243a3dfbccf20f83ac5afab9c30b788", kill_on_drop: false }`
[INFO] [stdout] c537703126d1c3431c67eaf3fee0a91f8243a3dfbccf20f83ac5afab9c30b788
