[INFO] fetching crate arangors 0.5.4...
[INFO] checking arangors-0.5.4 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate arangors 0.5.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arangors 0.5.4 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arangors 0.5.4
[INFO] finished tweaking crates.io crate arangors 0.5.4
[INFO] tweaked toml for crates.io crate arangors 0.5.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate arangors 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0db6f33aaad3a09bd2eb8b4091df7ac57e10841536cba75b529dfbc08e99c0
[INFO] running `Command { std: "docker" "start" "-a" "ac0db6f33aaad3a09bd2eb8b4091df7ac57e10841536cba75b529dfbc08e99c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0db6f33aaad3a09bd2eb8b4091df7ac57e10841536cba75b529dfbc08e99c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0db6f33aaad3a09bd2eb8b4091df7ac57e10841536cba75b529dfbc08e99c0", kill_on_drop: false }`
[INFO] [stdout] ac0db6f33aaad3a09bd2eb8b4091df7ac57e10841536cba75b529dfbc08e99c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b9c3900dd3dd2edd2f89a9c1769248622570675e74d4b93661c64bbe88a3113
[INFO] running `Command { std: "docker" "start" "-a" "2b9c3900dd3dd2edd2f89a9c1769248622570675e74d4b93661c64bbe88a3113", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
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[INFO] [stderr]     Checking async-std v1.12.0
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[INFO] [stderr]     Checking uclient v0.1.3
[INFO] [stderr]     Checking arangors v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/collection/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{convert::TryFrom, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/collection/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{convert::TryFrom, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[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` profile [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `Command { std: "docker" "inspect" "2b9c3900dd3dd2edd2f89a9c1769248622570675e74d4b93661c64bbe88a3113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9c3900dd3dd2edd2f89a9c1769248622570675e74d4b93661c64bbe88a3113", kill_on_drop: false }`
[INFO] [stdout] 2b9c3900dd3dd2edd2f89a9c1769248622570675e74d4b93661c64bbe88a3113
