[INFO] fetching crate gmailnator 0.2.1...
[INFO] checking gmailnator-0.2.1 against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] extracting crate gmailnator 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gmailnator 0.2.1 on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmailnator 0.2.1
[INFO] finished tweaking crates.io crate gmailnator 0.2.1
[INFO] tweaked toml for crates.io crate gmailnator 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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] b5d09070eb566eb25fb7309a9132bf2273c9be04bb1d44b8a6eb7040c86155b2
[INFO] running `Command { std: "docker" "start" "-a" "b5d09070eb566eb25fb7309a9132bf2273c9be04bb1d44b8a6eb7040c86155b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d09070eb566eb25fb7309a9132bf2273c9be04bb1d44b8a6eb7040c86155b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d09070eb566eb25fb7309a9132bf2273c9be04bb1d44b8a6eb7040c86155b2", kill_on_drop: false }`
[INFO] [stdout] b5d09070eb566eb25fb7309a9132bf2273c9be04bb1d44b8a6eb7040c86155b2
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 69b3f691e032e467d4e166db82d6a578e775241a86997dfe52b06a250df9a6fe
[INFO] running `Command { std: "docker" "start" "-a" "69b3f691e032e467d4e166db82d6a578e775241a86997dfe52b06a250df9a6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling getrandom v0.1.15
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[INFO] [stderr]    Compiling siphasher v0.3.3
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
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[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling phf_macros v0.8.0
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[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
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[INFO] [stderr]    Compiling html5ever v0.25.1
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[INFO] [stderr]     Checking futures-executor v0.3.8
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[INFO] [stderr]     Checking cookie_store v0.12.0
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[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking gmailnator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Get`
[INFO] [stdout]   --> src/endpoint.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Get`
[INFO] [stdout]   --> src/endpoint.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 30s
[INFO] running `Command { std: "docker" "inspect" "69b3f691e032e467d4e166db82d6a578e775241a86997dfe52b06a250df9a6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b3f691e032e467d4e166db82d6a578e775241a86997dfe52b06a250df9a6fe", kill_on_drop: false }`
[INFO] [stdout] 69b3f691e032e467d4e166db82d6a578e775241a86997dfe52b06a250df9a6fe