[INFO] cloning repository https://github.com/Matthew-Teixeira/read_csv_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matthew-Teixeira/read_csv_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Teixeira%2Fread_csv_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Teixeira%2Fread_csv_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dacd91bffab5dc7392db67f24bdb3911e14dd104
[INFO] checking Matthew-Teixeira/read_csv_rust against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthew-Teixeira%2Fread_csv_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Matthew-Teixeira/read_csv_rust
[INFO] finished tweaking git repo https://github.com/Matthew-Teixeira/read_csv_rust
[INFO] tweaked toml for git repo https://github.com/Matthew-Teixeira/read_csv_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Matthew-Teixeira/read_csv_rust on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Matthew-Teixeira/read_csv_rust 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.14
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0055f1f4219ebc1a9c537140554089658fb07e1f452d4e50f9ed1abeb51a2b3
[INFO] running `Command { std: "docker" "start" "-a" "f0055f1f4219ebc1a9c537140554089658fb07e1f452d4e50f9ed1abeb51a2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0055f1f4219ebc1a9c537140554089658fb07e1f452d4e50f9ed1abeb51a2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0055f1f4219ebc1a9c537140554089658fb07e1f452d4e50f9ed1abeb51a2b3", kill_on_drop: false }`
[INFO] [stdout] f0055f1f4219ebc1a9c537140554089658fb07e1f452d4e50f9ed1abeb51a2b3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3492d2e384c76dec46bf87fc938d0c04bc5d99d2d3392ef7c36286106abe091
[INFO] running `Command { std: "docker" "start" "-a" "d3492d2e384c76dec46bf87fc938d0c04bc5d99d2d3392ef7c36286106abe091", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking unicode-properties v0.1.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking cpufeatures v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking whoami v1.5.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking postgres-protocol v0.6.7
[INFO] [stderr]     Checking postgres-types v0.2.7
[INFO] [stderr]     Checking tokio-postgres v0.7.11
[INFO] [stderr]     Checking postgres v0.19.8
[INFO] [stderr]     Checking read_csv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         add_user(&mut client, &user);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = add_user(&mut client, &user);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         add_user(&mut client, &user);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = add_user(&mut client, &user);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.38s
[INFO] running `Command { std: "docker" "inspect" "d3492d2e384c76dec46bf87fc938d0c04bc5d99d2d3392ef7c36286106abe091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3492d2e384c76dec46bf87fc938d0c04bc5d99d2d3392ef7c36286106abe091", kill_on_drop: false }`
[INFO] [stdout] d3492d2e384c76dec46bf87fc938d0c04bc5d99d2d3392ef7c36286106abe091