[INFO] cloning repository https://github.com/aki-akaguma/cmp_env
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aki-akaguma/cmp_env" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_env", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_env'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7359eebb29d063fb19d9107c800020eea3bceb2
[INFO] checking aki-akaguma/cmp_env against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_env" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aki-akaguma/cmp_env 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/aki-akaguma/cmp_env
[INFO] finished tweaking git repo https://github.com/aki-akaguma/cmp_env
[INFO] tweaked toml for git repo https://github.com/aki-akaguma/cmp_env written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aki-akaguma/cmp_env 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded memx-cdy v0.1.6
[INFO] [stderr]   Downloaded memx v0.1.17
[INFO] [stderr]   Downloaded fsio v0.3.0
[INFO] [stderr]   Downloaded envmnt v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fe7799d47631a5ba3a0d686b1311eea5b8715d8c649643b78954c02186266df
[INFO] running `Command { std: "docker" "start" "-a" "5fe7799d47631a5ba3a0d686b1311eea5b8715d8c649643b78954c02186266df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fe7799d47631a5ba3a0d686b1311eea5b8715d8c649643b78954c02186266df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe7799d47631a5ba3a0d686b1311eea5b8715d8c649643b78954c02186266df", kill_on_drop: false }`
[INFO] [stdout] 5fe7799d47631a5ba3a0d686b1311eea5b8715d8c649643b78954c02186266df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e7d047b63d893175449a66afa6255cda874a36fda51fdea4bae5003d406d6a1
[INFO] running `Command { std: "docker" "start" "-a" "9e7d047b63d893175449a66afa6255cda874a36fda51fdea4bae5003d406d6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fsio v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking envmnt v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling memx v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking cmp_env v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking memx-cdy v0.1.6
[INFO] [stdout] warning: fields `time_1k`, `size`, `oh_time`, and `oh_size` are never read
[INFO] [stdout]   --> xtask/src/shape_benchmark_results.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct BenchStr {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub time_1k: f64,   // seconds per 1k
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 82 |     pub size: u64,      // bytes
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 83 |     pub oh_time: f64,   // seconds
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 84 |     pub oh_size: u64,   // bytes
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `time_1k`, `size`, `oh_time`, and `oh_size` are never read
[INFO] [stdout]   --> xtask/src/shape_benchmark_results.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct BenchStr {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub time_1k: f64,   // seconds per 1k
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 82 |     pub size: u64,      // bytes
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 83 |     pub oh_time: f64,   // seconds
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 84 |     pub oh_size: u64,   // bytes
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "9e7d047b63d893175449a66afa6255cda874a36fda51fdea4bae5003d406d6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7d047b63d893175449a66afa6255cda874a36fda51fdea4bae5003d406d6a1", kill_on_drop: false }`
[INFO] [stdout] 9e7d047b63d893175449a66afa6255cda874a36fda51fdea4bae5003d406d6a1