[INFO] fetching crate eraserhead 1.0.0...
[INFO] testing eraserhead-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate eraserhead 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate eraserhead 1.0.0
[INFO] finished tweaking crates.io crate eraserhead 1.0.0
[INFO] tweaked toml for crates.io crate eraserhead 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eraserhead 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c32338365dcb728036a809648ef4223ad7a53d69984b64f95b0aad232f4a66d
[INFO] running `Command { std: "docker" "start" "-a" "9c32338365dcb728036a809648ef4223ad7a53d69984b64f95b0aad232f4a66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c32338365dcb728036a809648ef4223ad7a53d69984b64f95b0aad232f4a66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c32338365dcb728036a809648ef4223ad7a53d69984b64f95b0aad232f4a66d", kill_on_drop: false }`
[INFO] [stdout] 9c32338365dcb728036a809648ef4223ad7a53d69984b64f95b0aad232f4a66d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 084818980fce8b93b00294c20fe81ec668efa996c94810d2cbcefbbfa5866c88
[INFO] running `Command { std: "docker" "start" "-a" "084818980fce8b93b00294c20fe81ec668efa996c94810d2cbcefbbfa5866c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eraserhead-derive v1.0.0
[INFO] [stderr]    Compiling eraserhead v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "084818980fce8b93b00294c20fe81ec668efa996c94810d2cbcefbbfa5866c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084818980fce8b93b00294c20fe81ec668efa996c94810d2cbcefbbfa5866c88", kill_on_drop: false }`
[INFO] [stdout] 084818980fce8b93b00294c20fe81ec668efa996c94810d2cbcefbbfa5866c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 46b43a2d4d198d8c5d6d23cf6c743723adfdc3fbd3f7a53f80af7ea4970ee807
[INFO] running `Command { std: "docker" "start" "-a" "46b43a2d4d198d8c5d6d23cf6c743723adfdc3fbd3f7a53f80af7ea4970ee807", kill_on_drop: false }`
[INFO] [stderr]    Compiling eraserhead v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/test.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Simple(i32);
[INFO] [stdout]   |            ------ ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/test.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct SingleRef<'a>(&'a i32);
[INFO] [stdout]   |            ---------     ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/test.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MultipleRef<'a, 'b>(&'a i32, &'b [f64]);
[INFO] [stdout]    |            -----------         ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "46b43a2d4d198d8c5d6d23cf6c743723adfdc3fbd3f7a53f80af7ea4970ee807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b43a2d4d198d8c5d6d23cf6c743723adfdc3fbd3f7a53f80af7ea4970ee807", kill_on_drop: false }`
[INFO] [stdout] 46b43a2d4d198d8c5d6d23cf6c743723adfdc3fbd3f7a53f80af7ea4970ee807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7ed60301b9348f27ec02d57d059b00c5a504c4b2b738789ce608119fa246392d
[INFO] running `Command { std: "docker" "start" "-a" "7ed60301b9348f27ec02d57d059b00c5a504c4b2b738789ce608119fa246392d", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/test.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Simple(i32);
[INFO] [stderr]   |            ------ ^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/test.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct SingleRef<'a>(&'a i32);
[INFO] [stderr]   |            ---------     ^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> tests/test.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct MultipleRef<'a, 'b>(&'a i32, &'b [f64]);
[INFO] [stderr]    |            -----------         ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: `eraserhead` (test "test") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eraserhead-758c4809f5e53e45)
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-161fc0634f8dc281)
[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] [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] [stderr]    Doc-tests eraserhead
[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" "7ed60301b9348f27ec02d57d059b00c5a504c4b2b738789ce608119fa246392d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed60301b9348f27ec02d57d059b00c5a504c4b2b738789ce608119fa246392d", kill_on_drop: false }`
[INFO] [stdout] 7ed60301b9348f27ec02d57d059b00c5a504c4b2b738789ce608119fa246392d