[INFO] fetching crate locha_mesh_client 0.0.2...
[INFO] checking locha_mesh_client-0.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate locha_mesh_client 0.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate locha_mesh_client 0.0.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate locha_mesh_client 0.0.2
[INFO] finished tweaking crates.io crate locha_mesh_client 0.0.2
[INFO] tweaked toml for crates.io crate locha_mesh_client 0.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages
[INFO] [stderr]       Adding assert_cmd v0.10.2 (latest: v2.0.14)
[INFO] [stderr]       Adding escargot v0.3.1 (latest: v0.5.10)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding predicates v1.0.8 (latest: v3.1.0)
[INFO] [stderr]       Adding ra_common v0.0.2 (latest: v0.1.5)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ra_common v0.0.2
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 105d65ad772fc8ab4de1057c84ace6fb959f689f06acc1ae20c7cf2da7592825
[INFO] running `Command { std: "docker" "start" "-a" "105d65ad772fc8ab4de1057c84ace6fb959f689f06acc1ae20c7cf2da7592825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "105d65ad772fc8ab4de1057c84ace6fb959f689f06acc1ae20c7cf2da7592825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105d65ad772fc8ab4de1057c84ace6fb959f689f06acc1ae20c7cf2da7592825", kill_on_drop: false }`
[INFO] [stdout] 105d65ad772fc8ab4de1057c84ace6fb959f689f06acc1ae20c7cf2da7592825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0835e034e29d2a06110c9b828da614af59203c16e4bae82f2916b5f97dde8a
[INFO] running `Command { std: "docker" "start" "-a" "9e0835e034e29d2a06110c9b828da614af59203c16e4bae82f2916b5f97dde8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking ra_common v0.0.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking locha_mesh_client v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/lmc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;  // Run programs
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stdout]  --> tests/lmc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_cmd::prelude::*; // Add methods on commands
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "9e0835e034e29d2a06110c9b828da614af59203c16e4bae82f2916b5f97dde8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0835e034e29d2a06110c9b828da614af59203c16e4bae82f2916b5f97dde8a", kill_on_drop: false }`
[INFO] [stdout] 9e0835e034e29d2a06110c9b828da614af59203c16e4bae82f2916b5f97dde8a
[INFO] checking locha_mesh_client-0.0.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate locha_mesh_client 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate locha_mesh_client 0.0.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate locha_mesh_client 0.0.2
[INFO] finished tweaking crates.io crate locha_mesh_client 0.0.2
[INFO] tweaked toml for crates.io crate locha_mesh_client 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b50f5a1c52c5b421848c6ff04cdd18b316f7efb4b1b250702118d6abeae2bf9
[INFO] running `Command { std: "docker" "start" "-a" "0b50f5a1c52c5b421848c6ff04cdd18b316f7efb4b1b250702118d6abeae2bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b50f5a1c52c5b421848c6ff04cdd18b316f7efb4b1b250702118d6abeae2bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b50f5a1c52c5b421848c6ff04cdd18b316f7efb4b1b250702118d6abeae2bf9", kill_on_drop: false }`
[INFO] [stdout] 0b50f5a1c52c5b421848c6ff04cdd18b316f7efb4b1b250702118d6abeae2bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 184cd08536fe57fd0112db1b72f73fb8f4f3fd25a5e4bb5c44d4f938ad099168
[INFO] running `Command { std: "docker" "start" "-a" "184cd08536fe57fd0112db1b72f73fb8f4f3fd25a5e4bb5c44d4f938ad099168", kill_on_drop: false }`
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking ra_common v0.0.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking locha_mesh_client v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/lmc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;  // Run programs
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stdout]  --> tests/lmc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_cmd::prelude::*; // Add methods on commands
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "184cd08536fe57fd0112db1b72f73fb8f4f3fd25a5e4bb5c44d4f938ad099168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184cd08536fe57fd0112db1b72f73fb8f4f3fd25a5e4bb5c44d4f938ad099168", kill_on_drop: false }`
[INFO] [stdout] 184cd08536fe57fd0112db1b72f73fb8f4f3fd25a5e4bb5c44d4f938ad099168