[INFO] cloning repository https://github.com/axion014/json-ld-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axion014/json-ld-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-ld-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-ld-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9196b9589beb0e9f482002f6e0763dcae2ce638a
[INFO] checking axion014/json-ld-rs against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-ld-rs" "/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/axion014/json-ld-rs on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/axion014/json-ld-rs
[INFO] removed 0 missing tests
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/cc-traits`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/elsa`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/json-trait`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/json-ld-rs`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/inline-json`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa056f016707923577fe80968af6c0d587cf4f21884f36fc60b2660bc28eaf32
[INFO] running `Command { std: "docker" "start" "-a" "fa056f016707923577fe80968af6c0d587cf4f21884f36fc60b2660bc28eaf32", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "fa056f016707923577fe80968af6c0d587cf4f21884f36fc60b2660bc28eaf32", kill_on_drop: false }`
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[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb948f19367216d7d58f098a9f0c7141a0f32f4f4ffcec1f2cf2f44e5610f91
[INFO] running `Command { std: "docker" "start" "-a" "bcb948f19367216d7d58f098a9f0c7141a0f32f4f4ffcec1f2cf2f44e5610f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling openssl v0.10.35
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking cc-traits v0.4.0 (https://github.com/axion014/cc-traits?branch=serde-json-map#52b16363)
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling inline-json v0.1.0 (https://github.com/axion014/inline-json#79a6cf0e)
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]     Checking json-trait v0.1.0 (https://github.com/axion014/json-trait#16d8a865)
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[INFO] [stderr]     Checking json-ld-rs v0.1.0 (https://github.com/axion014/json-ld-rs#9196b958)
[INFO] [stderr]     Checking json-ld-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PushBack`
[INFO] [stdout]   --> src/lib.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cc_traits::{Get, Len, MapInsert, PushBack, Remove};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PushBack`
[INFO] [stdout]   --> src/lib.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cc_traits::{Get, Len, MapInsert, PushBack, Remove};
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.61s
[INFO] running `Command { std: "docker" "inspect" "bcb948f19367216d7d58f098a9f0c7141a0f32f4f4ffcec1f2cf2f44e5610f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb948f19367216d7d58f098a9f0c7141a0f32f4f4ffcec1f2cf2f44e5610f91", kill_on_drop: false }`
[INFO] [stdout] bcb948f19367216d7d58f098a9f0c7141a0f32f4f4ffcec1f2cf2f44e5610f91