[INFO] cloning repository https://github.com/vinesiacom/iot_gateway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinesiacom/iot_gateway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinesiacom%2Fiot_gateway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinesiacom%2Fiot_gateway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bbffc94e2a0b245a55b1a67a0416289f284c83b
[INFO] checking vinesiacom/iot_gateway against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinesiacom%2Fiot_gateway" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinesiacom/iot_gateway 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 git repo https://github.com/vinesiacom/iot_gateway
[INFO] finished tweaking git repo https://github.com/vinesiacom/iot_gateway
[INFO] tweaked toml for git repo https://github.com/vinesiacom/iot_gateway written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vinesiacom/iot_gateway 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/time_db/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded ryu v1.0.15
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 315ae71db8515900649dbc8abc670914f803ee2eafcf42737fa4a4009334fa24
[INFO] running `Command { std: "docker" "start" "-a" "315ae71db8515900649dbc8abc670914f803ee2eafcf42737fa4a4009334fa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315ae71db8515900649dbc8abc670914f803ee2eafcf42737fa4a4009334fa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315ae71db8515900649dbc8abc670914f803ee2eafcf42737fa4a4009334fa24", kill_on_drop: false }`
[INFO] [stdout] 315ae71db8515900649dbc8abc670914f803ee2eafcf42737fa4a4009334fa24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e8e46781996831597dd2fc44e3a90d225421cc7f982a2fff5b1772a75c83748c
[INFO] running `Command { std: "docker" "start" "-a" "e8e46781996831597dd2fc44e3a90d225421cc7f982a2fff5b1772a75c83748c", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/time_db/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling candid v0.9.11
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ic0 v0.18.11
[INFO] [stderr]     Checking ic-types v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling candid_derive v0.6.4
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling num_enum v0.6.1
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]    Compiling ic-cdk-macros v0.7.1
[INFO] [stderr]     Checking ic-cdk v0.10.0
[INFO] [stderr]     Checking time_db v0.1.0 (/opt/rustwide/workdir/time_db)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> time_db/src/timedb/aggregate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> time_db/src/timedb/aggregate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]    --> time_db/src/timedb/expression.rs:137:37
[INFO] [stdout]     |
[INFO] [stdout] 137 |     use std::{collections::HashMap, rc::Rc};
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] 138 |
[INFO] [stdout] 139 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> time_db/src/http.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 body = format!("{{\"measurement\":\"{}\"}}", measurement);
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> time_db/src/http.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 body = format!("{{\"measurement\":\"{}\"}}", measurement);
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> time_db/src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let timestamp = time() as u64;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> time_db/src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let timestamp = time() as u64;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `Command { std: "docker" "inspect" "e8e46781996831597dd2fc44e3a90d225421cc7f982a2fff5b1772a75c83748c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e46781996831597dd2fc44e3a90d225421cc7f982a2fff5b1772a75c83748c", kill_on_drop: false }`
[INFO] [stdout] e8e46781996831597dd2fc44e3a90d225421cc7f982a2fff5b1772a75c83748c