[INFO] fetching crate ic-cdk 0.3.0...
[INFO] checking ic-cdk-0.3.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ic-cdk 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ic-cdk 0.3.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-cdk 0.3.0
[INFO] finished tweaking crates.io crate ic-cdk 0.3.0
[INFO] tweaked toml for crates.io crate ic-cdk 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0321354a2f557477c57dd6b2e245ad26ee3915d137180f9a72a2d8129dcb024e
[INFO] running `Command { std: "docker" "start" "-a" "0321354a2f557477c57dd6b2e245ad26ee3915d137180f9a72a2d8129dcb024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0321354a2f557477c57dd6b2e245ad26ee3915d137180f9a72a2d8129dcb024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0321354a2f557477c57dd6b2e245ad26ee3915d137180f9a72a2d8129dcb024e", kill_on_drop: false }`
[INFO] [stdout] 0321354a2f557477c57dd6b2e245ad26ee3915d137180f9a72a2d8129dcb024e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7dc4011f89be872bafd33233eac5861381650715a89a26b4d9d10dffe8640e
[INFO] running `Command { std: "docker" "start" "-a" "de7dc4011f89be872bafd33233eac5861381650715a89a26b4d9d10dffe8640e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
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[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
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[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling pico-args v0.4.2
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[INFO] [stderr]    Compiling logos-derive v0.12.0
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[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ic-types v0.1.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling candid v0.6.21
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking ic-cdk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Poll`
[INFO] [stdout]  --> src/futures.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::task::{Context, Poll};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Poll`
[INFO] [stdout]  --> src/futures.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::task::{Context, Poll};
[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 24s
[INFO] running `Command { std: "docker" "inspect" "de7dc4011f89be872bafd33233eac5861381650715a89a26b4d9d10dffe8640e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7dc4011f89be872bafd33233eac5861381650715a89a26b4d9d10dffe8640e", kill_on_drop: false }`
[INFO] [stdout] de7dc4011f89be872bafd33233eac5861381650715a89a26b4d9d10dffe8640e