[INFO] fetching crate expjobserver 0.9.2...
[INFO] testing expjobserver-0.9.2 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[INFO] extracting crate expjobserver 0.9.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate expjobserver 0.9.2 on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expjobserver 0.9.2
[INFO] finished tweaking crates.io crate expjobserver 0.9.2
[INFO] tweaked toml for crates.io crate expjobserver 0.9.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate expjobserver 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01f7c00fc5f84405e299b6764c180e07d34de2c5ba924d954a1195d6e2d76aee
[INFO] running `Command { std: "docker" "start" "-a" "01f7c00fc5f84405e299b6764c180e07d34de2c5ba924d954a1195d6e2d76aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f7c00fc5f84405e299b6764c180e07d34de2c5ba924d954a1195d6e2d76aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f7c00fc5f84405e299b6764c180e07d34de2c5ba924d954a1195d6e2d76aee", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcfaad2177a07783b43c1b2bf9a225f7ebc8287a0b0bf503de693dc51ed1e24d
[INFO] running `Command { std: "docker" "start" "-a" "bcfaad2177a07783b43c1b2bf9a225f7ebc8287a0b0bf503de693dc51ed1e24d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chrono v0.4.19
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling prost-derive v0.6.1
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[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling expjobserver v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stdout] warning: fields `cp_results` and `variables` are never read
[INFO] [stdout]    --> src/bin/client/main.rs:793:5
[INFO] [stdout]     |
[INFO] [stdout] 789 | struct MatrixInfo {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 793 |     cp_results: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 794 |     jobs: Vec<JobInfo>,
[INFO] [stdout] 795 |     variables: HashMap<String, Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `MatrixInfo` 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 `child`, `stdout` and `stderr` are never read
[INFO] [stdout]    --> src/bin/server/main.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 232 | struct JobProcessInfo {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 233 |     child: Command,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     stdout: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     stderr: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `JobProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.99s
[INFO] running `Command { std: "docker" "inspect" "bcfaad2177a07783b43c1b2bf9a225f7ebc8287a0b0bf503de693dc51ed1e24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfaad2177a07783b43c1b2bf9a225f7ebc8287a0b0bf503de693dc51ed1e24d", kill_on_drop: false }`
[INFO] [stdout] bcfaad2177a07783b43c1b2bf9a225f7ebc8287a0b0bf503de693dc51ed1e24d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23fcd4c5e12662e4ea24ae5fe0501149a421fe820ca0c8893ea8aa83fa1d6f9f
[INFO] running `Command { std: "docker" "start" "-a" "23fcd4c5e12662e4ea24ae5fe0501149a421fe820ca0c8893ea8aa83fa1d6f9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling expjobserver v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `cp_results` and `variables` are never read
[INFO] [stdout]    --> src/bin/client/main.rs:793:5
[INFO] [stdout]     |
[INFO] [stdout] 789 | struct MatrixInfo {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 793 |     cp_results: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 794 |     jobs: Vec<JobInfo>,
[INFO] [stdout] 795 |     variables: HashMap<String, Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `MatrixInfo` 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 `child`, `stdout` and `stderr` are never read
[INFO] [stdout]    --> src/bin/server/main.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 232 | struct JobProcessInfo {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 233 |     child: Command,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     stdout: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     stderr: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: `JobProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "23fcd4c5e12662e4ea24ae5fe0501149a421fe820ca0c8893ea8aa83fa1d6f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fcd4c5e12662e4ea24ae5fe0501149a421fe820ca0c8893ea8aa83fa1d6f9f", kill_on_drop: false }`
[INFO] [stdout] 23fcd4c5e12662e4ea24ae5fe0501149a421fe820ca0c8893ea8aa83fa1d6f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dca025afdafe7a681e3b23162e75d9660e49848ba70eebd1cc41cfc39a2265f7
[INFO] running `Command { std: "docker" "start" "-a" "dca025afdafe7a681e3b23162e75d9660e49848ba70eebd1cc41cfc39a2265f7", kill_on_drop: false }`
[INFO] [stderr] warning: fields `cp_results` and `variables` are never read
[INFO] [stderr]    --> src/bin/client/main.rs:793:5
[INFO] [stderr]     |
[INFO] [stderr] 789 | struct MatrixInfo {
[INFO] [stderr]     |        ---------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 793 |     cp_results: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 794 |     jobs: Vec<JobInfo>,
[INFO] [stderr] 795 |     variables: HashMap<String, Vec<String>>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: `MatrixInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `child`, `stdout` and `stderr` are never read
[INFO] [stderr]    --> src/bin/server/main.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 232 | struct JobProcessInfo {
[INFO] [stderr]     |        -------------- fields in this struct
[INFO] [stderr] 233 |     child: Command,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 239 |     stdout: String,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 242 |     stderr: String,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: `JobProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `expjobserver` (bin "j" test) generated 1 warning
[INFO] [stderr] warning: `expjobserver` (bin "expjobserver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/expjobserver-4e6d2e4efbaa1130)
[INFO] [stderr]      Running unittests src/bin/server/main.rs (/opt/rustwide/target/debug/deps/expjobserver-061a351a175fc34d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/client/main.rs (/opt/rustwide/target/debug/deps/j-66e6e571d727d299)
[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] [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 expjobserver
[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" "dca025afdafe7a681e3b23162e75d9660e49848ba70eebd1cc41cfc39a2265f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca025afdafe7a681e3b23162e75d9660e49848ba70eebd1cc41cfc39a2265f7", kill_on_drop: false }`
[INFO] [stdout] dca025afdafe7a681e3b23162e75d9660e49848ba70eebd1cc41cfc39a2265f7