[INFO] fetching crate assemblylift-iomod-lambda-guest 0.1.1...
[INFO] checking assemblylift-iomod-lambda-guest-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate assemblylift-iomod-lambda-guest 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate assemblylift-iomod-lambda-guest 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assemblylift-iomod-lambda-guest 0.1.1
[INFO] finished tweaking crates.io crate assemblylift-iomod-lambda-guest 0.1.1
[INFO] tweaked toml for crates.io crate assemblylift-iomod-lambda-guest 0.1.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36520fa267399bee7a8d9076ea41e847b2976519cd3068ebb34ec6c1bac4117f
[INFO] running `Command { std: "docker" "start" "-a" "36520fa267399bee7a8d9076ea41e847b2976519cd3068ebb34ec6c1bac4117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36520fa267399bee7a8d9076ea41e847b2976519cd3068ebb34ec6c1bac4117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36520fa267399bee7a8d9076ea41e847b2976519cd3068ebb34ec6c1bac4117f", kill_on_drop: false }`
[INFO] [stdout] 36520fa267399bee7a8d9076ea41e847b2976519cd3068ebb34ec6c1bac4117f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c38b2d95442a5dceee941395b41ecf7611e3bfb9d399dfe2700ea2a64975f9
[INFO] running `Command { std: "docker" "start" "-a" "59c38b2d95442a5dceee941395b41ecf7611e3bfb9d399dfe2700ea2a64975f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking assemblylift-core-iomod-guest v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking assemblylift-core-io-common v0.3.0
[INFO] [stderr]     Checking assemblylift-core-io-guest v0.3.2
[INFO] [stderr]     Checking assemblylift-iomod-lambda-guest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/structs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/structs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::FromStr;
[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 31.00s
[INFO] running `Command { std: "docker" "inspect" "59c38b2d95442a5dceee941395b41ecf7611e3bfb9d399dfe2700ea2a64975f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c38b2d95442a5dceee941395b41ecf7611e3bfb9d399dfe2700ea2a64975f9", kill_on_drop: false }`
[INFO] [stdout] 59c38b2d95442a5dceee941395b41ecf7611e3bfb9d399dfe2700ea2a64975f9