[INFO] cloning repository https://github.com/birders/heliometer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birders/heliometer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirders%2Fheliometer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirders%2Fheliometer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15b08097c6f25895e79dbd4a26f550e010910b53
[INFO] checking birders/heliometer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirders%2Fheliometer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/birders/heliometer 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/birders/heliometer
[INFO] finished tweaking git repo https://github.com/birders/heliometer
[INFO] tweaked toml for git repo https://github.com/birders/heliometer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/birders/heliometer 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded serde v1.0.48
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded handlebars v0.31.0
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded criterion-plot v0.2.3
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded criterion-stats v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded itertools-num v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded serde_derive v1.0.48
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded criterion v0.2.3
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded simplelog v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 120b925a729ae55f6dfbd082ed644d13ff2c4c8b5cd3b68a421079dcd7518a23
[INFO] running `Command { std: "docker" "start" "-a" "120b925a729ae55f6dfbd082ed644d13ff2c4c8b5cd3b68a421079dcd7518a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120b925a729ae55f6dfbd082ed644d13ff2c4c8b5cd3b68a421079dcd7518a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120b925a729ae55f6dfbd082ed644d13ff2c4c8b5cd3b68a421079dcd7518a23", kill_on_drop: false }`
[INFO] [stdout] 120b925a729ae55f6dfbd082ed644d13ff2c4c8b5cd3b68a421079dcd7518a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7fbf9d61addc454263fa11a2f4b747cdac88a3bf7f26501c69e78a207182bafc
[INFO] running `Command { std: "docker" "start" "-a" "7fbf9d61addc454263fa11a2f4b747cdac88a3bf7f26501c69e78a207182bafc", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling serde v1.0.48
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking criterion-stats v0.2.3
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking heliometer v0.5.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking criterion-plot v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking simplelog v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.48
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]     Checking handlebars v0.31.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking criterion v0.2.3
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stdout] warning: the item `assert_cli` is imported redundantly
[INFO] [stdout]  --> tests/tests.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate assert_cli;
[INFO] [stdout]   | ------------------------ the item `assert_cli` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 |     use assert_cli;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `heliometer` is imported redundantly
[INFO] [stdout]   --> tests/tests.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate heliometer;
[INFO] [stdout]    | ------------------------ the item `heliometer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     use heliometer;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> tests/tests.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use std;
[INFO] [stdout]    |         ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.3, syn v0.13.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7fbf9d61addc454263fa11a2f4b747cdac88a3bf7f26501c69e78a207182bafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbf9d61addc454263fa11a2f4b747cdac88a3bf7f26501c69e78a207182bafc", kill_on_drop: false }`
[INFO] [stdout] 7fbf9d61addc454263fa11a2f4b747cdac88a3bf7f26501c69e78a207182bafc