[INFO] cloning repository https://github.com/voratham/media-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voratham/media-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoratham%2Fmedia-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoratham%2Fmedia-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d8db5ed222cdb54ca8b71c9636358ecc4a02bc4
[INFO] testing voratham/media-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoratham%2Fmedia-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voratham/media-rs
[INFO] finished tweaking git repo https://github.com/voratham/media-rs
[INFO] tweaked toml for git repo https://github.com/voratham/media-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voratham/media-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voratham/media-rs 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c0117e125a33ca7ad1a555eeb6583161e9672a879f72917328a131bdedd77d
[INFO] running `Command { std: "docker" "start" "-a" "51c0117e125a33ca7ad1a555eeb6583161e9672a879f72917328a131bdedd77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c0117e125a33ca7ad1a555eeb6583161e9672a879f72917328a131bdedd77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c0117e125a33ca7ad1a555eeb6583161e9672a879f72917328a131bdedd77d", kill_on_drop: false }`
[INFO] [stdout] 51c0117e125a33ca7ad1a555eeb6583161e9672a879f72917328a131bdedd77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e30c6ef2a80baef46b60eefba4efc4161ef77580743275159d0dfdc09dfe0b
[INFO] running `Command { std: "docker" "start" "-a" "48e30c6ef2a80baef46b60eefba4efc4161ef77580743275159d0dfdc09dfe0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling media-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MightHaveAValue` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum MightHaveAValue<'a> {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_media` is never used
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn print_media(media: Media) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `author` are never read
[INFO] [stdout]  --> src/content/media.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Book { title: String, author: String },
[INFO] [stdout]   |     ----   ^^^^^          ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `director` are never read
[INFO] [stdout]  --> src/content/media.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Movie { title: String, director: String },
[INFO] [stdout]   |     -----   ^^^^^          ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/content/media.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Audiobook { title: String },
[INFO] [stdout]   |     ---------   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/content/media.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Podcast(u32),
[INFO] [stdout]   |     ------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Podcast(u32),
[INFO] [stdout] 6 +     Podcast(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/content/media.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Media {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn description(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "48e30c6ef2a80baef46b60eefba4efc4161ef77580743275159d0dfdc09dfe0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e30c6ef2a80baef46b60eefba4efc4161ef77580743275159d0dfdc09dfe0b", kill_on_drop: false }`
[INFO] [stdout] 48e30c6ef2a80baef46b60eefba4efc4161ef77580743275159d0dfdc09dfe0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31648f5bf4a90e18139243197ee8f2130c0f87236df9b4838c050204050138c5
[INFO] running `Command { std: "docker" "start" "-a" "31648f5bf4a90e18139243197ee8f2130c0f87236df9b4838c050204050138c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling media-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MightHaveAValue` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum MightHaveAValue<'a> {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_media` is never used
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn print_media(media: Media) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `author` are never read
[INFO] [stdout]  --> src/content/media.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Book { title: String, author: String },
[INFO] [stdout]   |     ----   ^^^^^          ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `director` are never read
[INFO] [stdout]  --> src/content/media.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Movie { title: String, director: String },
[INFO] [stdout]   |     -----   ^^^^^          ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/content/media.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Audiobook { title: String },
[INFO] [stdout]   |     ---------   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/content/media.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Podcast(u32),
[INFO] [stdout]   |     ------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Podcast(u32),
[INFO] [stdout] 6 +     Podcast(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/content/media.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Media {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn description(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "31648f5bf4a90e18139243197ee8f2130c0f87236df9b4838c050204050138c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31648f5bf4a90e18139243197ee8f2130c0f87236df9b4838c050204050138c5", kill_on_drop: false }`
[INFO] [stdout] 31648f5bf4a90e18139243197ee8f2130c0f87236df9b4838c050204050138c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0c1a2272635bc7c6f0a361bb542070f2ffc70ca601f2a4ffc292e9307738274
[INFO] running `Command { std: "docker" "start" "-a" "e0c1a2272635bc7c6f0a361bb542070f2ffc70ca601f2a4ffc292e9307738274", kill_on_drop: false }`
[INFO] [stderr] warning: enum `MightHaveAValue` is never used
[INFO] [stderr]  --> src/main.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | enum MightHaveAValue<'a> {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_media` is never used
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn print_media(media: Media) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `title` and `author` are never read
[INFO] [stderr]  --> src/content/media.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Book { title: String, author: String },
[INFO] [stderr]   |     ----   ^^^^^          ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `title` and `director` are never read
[INFO] [stderr]  --> src/content/media.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Movie { title: String, director: String },
[INFO] [stderr]   |     -----   ^^^^^          ^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `title` is never read
[INFO] [stderr]  --> src/content/media.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Audiobook { title: String },
[INFO] [stderr]   |     ---------   ^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/content/media.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Podcast(u32),
[INFO] [stderr]   |     ------- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 -     Podcast(u32),
[INFO] [stderr] 6 +     Podcast(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: method `description` is never used
[INFO] [stderr]   --> src/content/media.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Media {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 11 |     pub fn description(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `media-rs` (bin "media-rs" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/media_rs-ecd6d3985ad0a555)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0c1a2272635bc7c6f0a361bb542070f2ffc70ca601f2a4ffc292e9307738274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c1a2272635bc7c6f0a361bb542070f2ffc70ca601f2a4ffc292e9307738274", kill_on_drop: false }`
[INFO] [stdout] e0c1a2272635bc7c6f0a361bb542070f2ffc70ca601f2a4ffc292e9307738274