[INFO] cloning repository https://github.com/brson/featuretest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/featuretest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274fb33838a586fe048e03fa0d74168db13c194c
[INFO] testing brson/featuretest against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/featuretest on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brson/featuretest
[INFO] finished tweaking git repo https://github.com/brson/featuretest
[INFO] tweaked toml for git repo https://github.com/brson/featuretest written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/featuretest 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d1edad499a6f3b53796d454db6cd67e651bba03655e70d1d17e1def5d5a834
[INFO] running `Command { std: "docker" "start" "-a" "d5d1edad499a6f3b53796d454db6cd67e651bba03655e70d1d17e1def5d5a834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d1edad499a6f3b53796d454db6cd67e651bba03655e70d1d17e1def5d5a834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d1edad499a6f3b53796d454db6cd67e651bba03655e70d1d17e1def5d5a834", kill_on_drop: false }`
[INFO] [stdout] d5d1edad499a6f3b53796d454db6cd67e651bba03655e70d1d17e1def5d5a834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ef6e82778905d5c1f6b4f766d862e4bbd540974c0be9649eac6639d30da705
[INFO] running `Command { std: "docker" "start" "-a" "39ef6e82778905d5c1f6b4f766d862e4bbd540974c0be9649eac6639d30da705", kill_on_drop: false }`
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]    Compiling d v0.1.0 (/opt/rustwide/workdir/d)
[INFO] [stderr]    Compiling b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stderr]    Compiling c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> b/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> c/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Bar`
[INFO] [stdout]  --> d/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Bar;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling featuretest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "39ef6e82778905d5c1f6b4f766d862e4bbd540974c0be9649eac6639d30da705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ef6e82778905d5c1f6b4f766d862e4bbd540974c0be9649eac6639d30da705", kill_on_drop: false }`
[INFO] [stdout] 39ef6e82778905d5c1f6b4f766d862e4bbd540974c0be9649eac6639d30da705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf57fdba97a3271c87dc77b4ae2e9a57d0aee452e71bc3bfc38ace2fc6ada56
[INFO] running `Command { std: "docker" "start" "-a" "acf57fdba97a3271c87dc77b4ae2e9a57d0aee452e71bc3bfc38ace2fc6ada56", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `a::Bar`
[INFO] [stdout]  --> d/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Bar;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling featuretest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> c/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> b/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "acf57fdba97a3271c87dc77b4ae2e9a57d0aee452e71bc3bfc38ace2fc6ada56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf57fdba97a3271c87dc77b4ae2e9a57d0aee452e71bc3bfc38ace2fc6ada56", kill_on_drop: false }`
[INFO] [stdout] acf57fdba97a3271c87dc77b4ae2e9a57d0aee452e71bc3bfc38ace2fc6ada56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b80e137592b27b7096aa3f1149f0fee248e155c6c8cbeae5fd686d7599077471
[INFO] running `Command { std: "docker" "start" "-a" "b80e137592b27b7096aa3f1149f0fee248e155c6c8cbeae5fd686d7599077471", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `a::Foo`
[INFO] [stderr]  --> c/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a::Foo;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c` (lib) generated 1 warning (run `cargo fix --lib -p c` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `a::Foo`
[INFO] [stderr]  --> b/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a::Foo;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `a::Bar`
[INFO] [stderr]  --> d/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a::Bar;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `b` (lib) generated 1 warning (run `cargo fix --lib -p b` to apply 1 suggestion)
[INFO] [stderr] warning: `d` (lib) generated 1 warning (run `cargo fix --lib -p d` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/featuretest-6caff75a488b0f15)
[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" "b80e137592b27b7096aa3f1149f0fee248e155c6c8cbeae5fd686d7599077471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80e137592b27b7096aa3f1149f0fee248e155c6c8cbeae5fd686d7599077471", kill_on_drop: false }`
[INFO] [stdout] b80e137592b27b7096aa3f1149f0fee248e155c6c8cbeae5fd686d7599077471