[INFO] crate prexcl 0.0.10 is already in cache
[INFO] testing prexcl-0.0.10 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate prexcl 0.0.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prexcl 0.0.10 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prexcl 0.0.10
[INFO] finished tweaking crates.io crate prexcl 0.0.10
[INFO] tweaked toml for crates.io crate prexcl 0.0.10 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8976a6827a5ed4aab5f2fba374a3811b721c1839564002626e47c31b21f18402
[INFO] running `"docker" "start" "-a" "8976a6827a5ed4aab5f2fba374a3811b721c1839564002626e47c31b21f18402"`
[INFO] [stderr]    Compiling prexcl v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |   commands: HashMap<&'static str, Rc<Command>>,
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl std::fmt::Debug for Command {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:15:63
[INFO] [stderr]    |
[INFO] [stderr] 15 |       Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:20:65
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "8976a6827a5ed4aab5f2fba374a3811b721c1839564002626e47c31b21f18402"`
[INFO] running `"docker" "rm" "-f" "8976a6827a5ed4aab5f2fba374a3811b721c1839564002626e47c31b21f18402"`
[INFO] [stdout] 8976a6827a5ed4aab5f2fba374a3811b721c1839564002626e47c31b21f18402
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f30aed1e74361eb4e34b220f72a248a3d8224b314fe03aef182edcab89a2c1a0
[INFO] running `"docker" "start" "-a" "f30aed1e74361eb4e34b220f72a248a3d8224b314fe03aef182edcab89a2c1a0"`
[INFO] [stderr]    Compiling prexcl v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |   commands: HashMap<&'static str, Rc<Command>>,
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl std::fmt::Debug for Command {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |   commands: HashMap<&'static str, Rc<Command>>,
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl std::fmt::Debug for Command {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:15:63
[INFO] [stderr]    |
[INFO] [stderr] 15 |       Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:20:65
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "f30aed1e74361eb4e34b220f72a248a3d8224b314fe03aef182edcab89a2c1a0"`
[INFO] running `"docker" "rm" "-f" "f30aed1e74361eb4e34b220f72a248a3d8224b314fe03aef182edcab89a2c1a0"`
[INFO] [stdout] f30aed1e74361eb4e34b220f72a248a3d8224b314fe03aef182edcab89a2c1a0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e2ec88bfd893b61f446c148356a7539b5f9c311be20a776c04478628e0a4d6c
[INFO] running `"docker" "start" "-a" "4e2ec88bfd893b61f446c148356a7539b5f9c311be20a776c04478628e0a4d6c"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |   commands: HashMap<&'static str, Rc<Command>>,
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl std::fmt::Debug for Command {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:15:63
[INFO] [stderr]    |
[INFO] [stderr] 15 |       Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:20:65
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |   commands: HashMap<&'static str, Rc<Command>>,
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl std::fmt::Debug for Command {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prexcl-030c5e69c5b0d2f1
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prexcl-f3e782d986e840c8
[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
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prexcl
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4e2ec88bfd893b61f446c148356a7539b5f9c311be20a776c04478628e0a4d6c"`
[INFO] running `"docker" "rm" "-f" "4e2ec88bfd893b61f446c148356a7539b5f9c311be20a776c04478628e0a4d6c"`
[INFO] [stdout] 4e2ec88bfd893b61f446c148356a7539b5f9c311be20a776c04478628e0a4d6c