[INFO] fetching crate rust-tunnel 1.0.36...
[INFO] checking rust-tunnel-1.0.36 against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] extracting crate rust-tunnel 1.0.36 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate rust-tunnel 1.0.36 on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-tunnel 1.0.36
[INFO] finished tweaking crates.io crate rust-tunnel 1.0.36
[INFO] tweaked toml for crates.io crate rust-tunnel 1.0.36 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "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" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb5650501d9f2c18350360423dbe84f2a2ce853f3d5d67bafb913ba02c53f460
[INFO] running `Command { std: "docker" "start" "-a" "cb5650501d9f2c18350360423dbe84f2a2ce853f3d5d67bafb913ba02c53f460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb5650501d9f2c18350360423dbe84f2a2ce853f3d5d67bafb913ba02c53f460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5650501d9f2c18350360423dbe84f2a2ce853f3d5d67bafb913ba02c53f460", kill_on_drop: false }`
[INFO] [stdout] cb5650501d9f2c18350360423dbe84f2a2ce853f3d5d67bafb913ba02c53f460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94eb3fd6be44d105442dc2c6f8066c164ab163766bb6e1d2cb67623ad0a57f8e
[INFO] running `Command { std: "docker" "start" "-a" "94eb3fd6be44d105442dc2c6f8066c164ab163766bb6e1d2cb67623ad0a57f8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]     Checking futures-lite v1.12.0
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[INFO] [stderr]    Compiling backtrace v0.3.63
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[INFO] [stderr]     Checking smolscale v0.3.16
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-recursion v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling cached_proc_macro v0.6.2
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
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[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking serde_json v1.0.74
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[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking sosistab v0.4.43
[INFO] [stderr]     Checking rust-tunnel v1.0.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.92s
[INFO] running `Command { std: "docker" "inspect" "94eb3fd6be44d105442dc2c6f8066c164ab163766bb6e1d2cb67623ad0a57f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94eb3fd6be44d105442dc2c6f8066c164ab163766bb6e1d2cb67623ad0a57f8e", kill_on_drop: false }`
[INFO] [stdout] 94eb3fd6be44d105442dc2c6f8066c164ab163766bb6e1d2cb67623ad0a57f8e