[INFO] fetching crate mwc_core 5.3.9...
[INFO] building mwc_core-5.3.9 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mwc_core 5.3.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mwc_core 5.3.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mwc_core 5.3.9
[INFO] tweaked toml for crates.io crate mwc_core 5.3.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwc_core 5.3.9 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mwc_core 5.3.9 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce86124217ec8a4c01dfa9c89f6e7fe6e1a20491c53e3f0250df6a054b46dcb0
[INFO] running `Command { std: "docker" "start" "-a" "ce86124217ec8a4c01dfa9c89f6e7fe6e1a20491c53e3f0250df6a054b46dcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce86124217ec8a4c01dfa9c89f6e7fe6e1a20491c53e3f0250df6a054b46dcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce86124217ec8a4c01dfa9c89f6e7fe6e1a20491c53e3f0250df6a054b46dcb0", kill_on_drop: false }`
[INFO] [stdout] ce86124217ec8a4c01dfa9c89f6e7fe6e1a20491c53e3f0250df6a054b46dcb0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f772efcf33d62572528be67000fb1dee7e5877ae2279622d1be5d0d6464746c1
[INFO] running `Command { std: "docker" "start" "-a" "f772efcf33d62572528be67000fb1dee7e5877ae2279622d1be5d0d6464746c1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mwc_core v5.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/pow/common.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Edge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[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 34.35s
[INFO] running `Command { std: "docker" "inspect" "f772efcf33d62572528be67000fb1dee7e5877ae2279622d1be5d0d6464746c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f772efcf33d62572528be67000fb1dee7e5877ae2279622d1be5d0d6464746c1", kill_on_drop: false }`
[INFO] [stdout] f772efcf33d62572528be67000fb1dee7e5877ae2279622d1be5d0d6464746c1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261ab552adf7dc8d95a7bbadf50e64f205c28df45f7483f859289937de53aa59
[INFO] running `Command { std: "docker" "start" "-a" "261ab552adf7dc8d95a7bbadf50e64f205c28df45f7483f859289937de53aa59", kill_on_drop: false }`
[INFO] [stderr]    Compiling mwc_core v5.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/pow/common.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Edge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestElem` is never constructed
[INFO] [stdout]    --> tests/common.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub struct TestElem(pub [u32; 4]);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/pow/common.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Edge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[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 8.85s
[INFO] running `Command { std: "docker" "inspect" "261ab552adf7dc8d95a7bbadf50e64f205c28df45f7483f859289937de53aa59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261ab552adf7dc8d95a7bbadf50e64f205c28df45f7483f859289937de53aa59", kill_on_drop: false }`
[INFO] [stdout] 261ab552adf7dc8d95a7bbadf50e64f205c28df45f7483f859289937de53aa59
