[INFO] cloning repository https://github.com/grahamc/s3-inventory.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grahamc/s3-inventory.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fs3-inventory.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fs3-inventory.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac5c4b9c501492e4d8274d14c6a3a020acf0fdf
[INFO] checking grahamc/s3-inventory.rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fs3-inventory.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grahamc/s3-inventory.rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grahamc/s3-inventory.rs
[INFO] finished tweaking git repo https://github.com/grahamc/s3-inventory.rs
[INFO] tweaked toml for git repo https://github.com/grahamc/s3-inventory.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/grahamc/s3-inventory.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0efdb61d40db25f62a649658e88a2d637f4839e2b894fcc9af8bb569d99eb095
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0efdb61d40db25f62a649658e88a2d637f4839e2b894fcc9af8bb569d99eb095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efdb61d40db25f62a649658e88a2d637f4839e2b894fcc9af8bb569d99eb095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efdb61d40db25f62a649658e88a2d637f4839e2b894fcc9af8bb569d99eb095", kill_on_drop: false }`
[INFO] [stdout] 0efdb61d40db25f62a649658e88a2d637f4839e2b894fcc9af8bb569d99eb095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac2cf12a0fe1bc37d1f11e9643937331e2404866b5c5630e97cbeed2365612a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac2cf12a0fe1bc37d1f11e9643937331e2404866b5c5630e97cbeed2365612a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking hydra-arch-breakdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Barrier`
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::sync::{Arc, Barrier};
[INFO] [stdout]    |                 ^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Barrier`
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::sync::{Arc, Barrier};
[INFO] [stdout]    |                 ^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `loadedDataFile` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut loadedDataFile: LoadedDataFile<_> = LoadedDataFile::new(&file).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `loaded_data_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `loadedDataFile` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut loadedDataFile: LoadedDataFile<_> = LoadedDataFile::new(&file).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `loaded_data_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             send_sum.send(count);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         stream.write(format!("recd: {:?}\n", record).as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             send_sum.send(count);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         stream.write(format!("recd: {:?}\n", record).as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 26.47s
[INFO] running `Command { std: "docker" "inspect" "ac2cf12a0fe1bc37d1f11e9643937331e2404866b5c5630e97cbeed2365612a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2cf12a0fe1bc37d1f11e9643937331e2404866b5c5630e97cbeed2365612a2", kill_on_drop: false }`
[INFO] [stdout] ac2cf12a0fe1bc37d1f11e9643937331e2404866b5c5630e97cbeed2365612a2