[INFO] fetching crate prisoner 0.6.3...
[INFO] building prisoner-0.6.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate prisoner 0.6.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prisoner 0.6.3
[INFO] finished tweaking crates.io crate prisoner 0.6.3
[INFO] tweaked toml for crates.io crate prisoner 0.6.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prisoner 0.6.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prisoner 0.6.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8addaa1bb63b7eb2719196eb532a92d7c6b9213d404ecc3d2f871be918973d62
[INFO] running `Command { std: "docker" "start" "-a" "8addaa1bb63b7eb2719196eb532a92d7c6b9213d404ecc3d2f871be918973d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8addaa1bb63b7eb2719196eb532a92d7c6b9213d404ecc3d2f871be918973d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8addaa1bb63b7eb2719196eb532a92d7c6b9213d404ecc3d2f871be918973d62", kill_on_drop: false }`
[INFO] [stdout] 8addaa1bb63b7eb2719196eb532a92d7c6b9213d404ecc3d2f871be918973d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f99486c9552134ed6fd86504f691abc0858730c691fa5fb6b2802f5dfdb2db
[INFO] running `Command { std: "docker" "start" "-a" "d3f99486c9552134ed6fd86504f691abc0858730c691fa5fb6b2802f5dfdb2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling papergrid v0.4.0
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling block-id v0.1.2
[INFO] [stderr]    Compiling fake v2.4.3
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling tabled_derive v0.3.0
[INFO] [stderr]    Compiling tabled v0.7.0
[INFO] [stderr]    Compiling clap v3.1.12
[INFO] [stderr]    Compiling prisoner v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `opp_tag` is never read
[INFO] [stdout]    --> src/entity.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Meme {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 178 |     opp_tag: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Meme` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "d3f99486c9552134ed6fd86504f691abc0858730c691fa5fb6b2802f5dfdb2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f99486c9552134ed6fd86504f691abc0858730c691fa5fb6b2802f5dfdb2db", kill_on_drop: false }`
[INFO] [stdout] d3f99486c9552134ed6fd86504f691abc0858730c691fa5fb6b2802f5dfdb2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e32fe124232c3e7c89ae4a161c67a28ffe9016179692673ef877b98586aa90e
[INFO] running `Command { std: "docker" "start" "-a" "3e32fe124232c3e7c89ae4a161c67a28ffe9016179692673ef877b98586aa90e", kill_on_drop: false }`
[INFO] [stdout] warning: field `opp_tag` is never read
[INFO] [stdout]    --> src/entity.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Meme {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 178 |     opp_tag: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Meme` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prisoner v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `opp_tag` is never read
[INFO] [stdout]    --> src/entity.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Meme {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 178 |     opp_tag: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Meme` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "3e32fe124232c3e7c89ae4a161c67a28ffe9016179692673ef877b98586aa90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e32fe124232c3e7c89ae4a161c67a28ffe9016179692673ef877b98586aa90e", kill_on_drop: false }`
[INFO] [stdout] 3e32fe124232c3e7c89ae4a161c67a28ffe9016179692673ef877b98586aa90e