[INFO] cloning repository https://github.com/rtbo/fsync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtbo/fsync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtbo%2Ffsync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtbo%2Ffsync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 033600ea773955f2062721ae07a3f43c2860ddc3
[INFO] checking rtbo/fsync against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtbo%2Ffsync" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtbo/fsync 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/rtbo/fsync
[INFO] finished tweaking git repo https://github.com/rtbo/fsync
[INFO] tweaked toml for git repo https://github.com/rtbo/fsync written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rtbo/fsync 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "c2599467a479690c52197e8b619aa727b4e0c35c1ad64f0b489e5669912416e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2599467a479690c52197e8b619aa727b4e0c35c1ad64f0b489e5669912416e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2599467a479690c52197e8b619aa727b4e0c35c1ad64f0b489e5669912416e9", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "960f4afa4eba9b7c3b6ffede79eba6b65ea627cafe34b2a6f5d970edbd122c23", kill_on_drop: false }`
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[INFO] [stderr]     Checking fsync v0.1.0 (/opt/rustwide/workdir/fsync)
[INFO] [stderr]     Checking fsyncd v0.1.0 (/opt/rustwide/workdir/fsyncd)
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[INFO] [stdout] warning: the item `fsync` is imported redundantly
[INFO] [stdout]   --> fsyncd/src/lib/service.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     self,
[INFO] [stdout]    |     ^^^^ the item `fsync` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `future` is imported redundantly
[INFO] [stdout]   --> fsyncd/src/lib/service.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     future,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     prelude::*,
[INFO] [stdout]    |     ---------- the item `future` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]    --> fsyncd/src/lib/oauth2/server.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use http::Method;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 182 |
[INFO] [stdout] 183 |     use super::*;
[INFO] [stdout]     |         -------- the item `Method` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fsync` is imported redundantly
[INFO] [stdout]   --> fsyncd/src/lib/service.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     self,
[INFO] [stdout]    |     ^^^^ the item `fsync` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `future` is imported redundantly
[INFO] [stdout]   --> fsyncd/src/lib/service.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     future,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     prelude::*,
[INFO] [stdout]    |     ---------- the item `future` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fsyncd/src/lib/storage/cache.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fsyncd/src/lib/storage/cache.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.33s
[INFO] running `Command { std: "docker" "inspect" "960f4afa4eba9b7c3b6ffede79eba6b65ea627cafe34b2a6f5d970edbd122c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960f4afa4eba9b7c3b6ffede79eba6b65ea627cafe34b2a6f5d970edbd122c23", kill_on_drop: false }`
[INFO] [stdout] 960f4afa4eba9b7c3b6ffede79eba6b65ea627cafe34b2a6f5d970edbd122c23