[INFO] cloning repository https://github.com/a-bakos/rust-img-exif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-bakos/rust-img-exif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Frust-img-exif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Frust-img-exif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04abd4a706a413e870a25bb92f75f06e5246f4d9
[INFO] building a-bakos/rust-img-exif against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Frust-img-exif" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-bakos/rust-img-exif on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-bakos/rust-img-exif
[INFO] finished tweaking git repo https://github.com/a-bakos/rust-img-exif
[INFO] tweaked toml for git repo https://github.com/a-bakos/rust-img-exif written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/a-bakos/rust-img-exif 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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 open v2.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca6a0c949f399473949e1cbb4b5f6061a6eb43fcf9b3a5b7f28049fb1c16e550
[INFO] running `Command { std: "docker" "start" "-a" "ca6a0c949f399473949e1cbb4b5f6061a6eb43fcf9b3a5b7f28049fb1c16e550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6a0c949f399473949e1cbb4b5f6061a6eb43fcf9b3a5b7f28049fb1c16e550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6a0c949f399473949e1cbb4b5f6061a6eb43fcf9b3a5b7f28049fb1c16e550", kill_on_drop: false }`
[INFO] [stdout] ca6a0c949f399473949e1cbb4b5f6061a6eb43fcf9b3a5b7f28049fb1c16e550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11eebaebcfabc89ffa875dca3c746ba76e272134f4485cea5784310e71e9e965
[INFO] running `Command { std: "docker" "start" "-a" "11eebaebcfabc89ffa875dca3c746ba76e272134f4485cea5784310e71e9e965", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling open v2.1.2
[INFO] [stderr]    Compiling num-complex v0.4.1
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rexif v0.7.3
[INFO] [stderr]    Compiling exif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_all_files` is never used
[INFO] [stdout]   --> src/file.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_all_files() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/image.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Meta {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Meta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_iso` is never used
[INFO] [stdout]   --> src/image.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn add_iso(meta: &mut Meta, iso_value: String) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_f_stop` is never used
[INFO] [stdout]   --> src/image.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add_f_stop(meta: &mut Meta, f_value: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_focal_length` is never used
[INFO] [stdout]   --> src/image.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_focal_length(meta: &mut Meta, focal_len: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_shutter` is never used
[INFO] [stdout]   --> src/image.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_shutter(meta: &mut Meta, shutter: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "11eebaebcfabc89ffa875dca3c746ba76e272134f4485cea5784310e71e9e965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11eebaebcfabc89ffa875dca3c746ba76e272134f4485cea5784310e71e9e965", kill_on_drop: false }`
[INFO] [stdout] 11eebaebcfabc89ffa875dca3c746ba76e272134f4485cea5784310e71e9e965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d6f57c3eb566a95e4986ca31ddb6095e695bc2765d6f357ec0d7210e34f6a46
[INFO] running `Command { std: "docker" "start" "-a" "8d6f57c3eb566a95e4986ca31ddb6095e695bc2765d6f357ec0d7210e34f6a46", kill_on_drop: false }`
[INFO] [stderr]    Compiling exif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_all_files` is never used
[INFO] [stdout]   --> src/file.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_all_files() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/image.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Meta {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Meta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_iso` is never used
[INFO] [stdout]   --> src/image.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn add_iso(meta: &mut Meta, iso_value: String) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_f_stop` is never used
[INFO] [stdout]   --> src/image.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add_f_stop(meta: &mut Meta, f_value: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_focal_length` is never used
[INFO] [stdout]   --> src/image.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_focal_length(meta: &mut Meta, focal_len: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_shutter` is never used
[INFO] [stdout]   --> src/image.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_shutter(meta: &mut Meta, shutter: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8d6f57c3eb566a95e4986ca31ddb6095e695bc2765d6f357ec0d7210e34f6a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6f57c3eb566a95e4986ca31ddb6095e695bc2765d6f357ec0d7210e34f6a46", kill_on_drop: false }`
[INFO] [stdout] 8d6f57c3eb566a95e4986ca31ddb6095e695bc2765d6f357ec0d7210e34f6a46