[INFO] cloning repository https://github.com/despawnerer/aleksei.nl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/despawnerer/aleksei.nl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Faleksei.nl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Faleksei.nl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b52569b013b2c452ac6e69107b9553e9bc65244b
[INFO] checking despawnerer/aleksei.nl against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Faleksei.nl" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/despawnerer/aleksei.nl on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/despawnerer/aleksei.nl
[INFO] finished tweaking git repo https://github.com/despawnerer/aleksei.nl
[INFO] tweaked toml for git repo https://github.com/despawnerer/aleksei.nl written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/despawnerer/aleksei.nl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a1a24d549e5b22501d4402b9493385b7ce5d520e93d972bf029c80a0b973ca
[INFO] running `Command { std: "docker" "start" "-a" "d6a1a24d549e5b22501d4402b9493385b7ce5d520e93d972bf029c80a0b973ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a1a24d549e5b22501d4402b9493385b7ce5d520e93d972bf029c80a0b973ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a1a24d549e5b22501d4402b9493385b7ce5d520e93d972bf029c80a0b973ca", kill_on_drop: false }`
[INFO] [stdout] d6a1a24d549e5b22501d4402b9493385b7ce5d520e93d972bf029c80a0b973ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2abd217e9358470ab333371029785fafd07fabdf885d23d0add5d8ad255ec2
[INFO] running `Command { std: "docker" "start" "-a" "ef2abd217e9358470ab333371029785fafd07fabdf885d23d0add5d8ad255ec2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]     Checking itoa v0.4.8
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[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.68
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking headers v0.3.4
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[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tempfile v3.2.0
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[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tokio-util v0.6.8
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[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking aleksei v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     rngs::ThreadRng,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     seq::SliceRandom,
[INFO] [stdout] 4 |     Rng,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     rngs::ThreadRng,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     seq::SliceRandom,
[INFO] [stdout] 4 |     Rng,
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "ef2abd217e9358470ab333371029785fafd07fabdf885d23d0add5d8ad255ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2abd217e9358470ab333371029785fafd07fabdf885d23d0add5d8ad255ec2", kill_on_drop: false }`
[INFO] [stdout] ef2abd217e9358470ab333371029785fafd07fabdf885d23d0add5d8ad255ec2