[INFO] crate fort 0.3.0 is already in cache
[INFO] testing fort-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate fort 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fort 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fort 0.3.0
[INFO] finished tweaking crates.io crate fort 0.3.0
[INFO] tweaked toml for crates.io crate fort 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fort 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "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] 300f9037b46d307ca53c0a9ee454eda7239a2fc549cfdff226d028ae80559575
[INFO] running `"docker" "start" "-a" "300f9037b46d307ca53c0a9ee454eda7239a2fc549cfdff226d028ae80559575"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling fort v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.00s
[INFO] running `"docker" "inspect" "300f9037b46d307ca53c0a9ee454eda7239a2fc549cfdff226d028ae80559575"`
[INFO] running `"docker" "rm" "-f" "300f9037b46d307ca53c0a9ee454eda7239a2fc549cfdff226d028ae80559575"`
[INFO] [stdout] 300f9037b46d307ca53c0a9ee454eda7239a2fc549cfdff226d028ae80559575
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "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] bb1730182350f5297288b7f84b3a6e0f1ce9502dab4b57a08afaaf1863dafd5d
[INFO] running `"docker" "start" "-a" "bb1730182350f5297288b7f84b3a6e0f1ce9502dab4b57a08afaaf1863dafd5d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lightproc v0.3.3
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bastion-executor v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bastion-qutex v0.2.4
[INFO] [stderr]    Compiling bastion v0.3.1
[INFO] [stderr]    Compiling fort v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.46s
[INFO] running `"docker" "inspect" "bb1730182350f5297288b7f84b3a6e0f1ce9502dab4b57a08afaaf1863dafd5d"`
[INFO] running `"docker" "rm" "-f" "bb1730182350f5297288b7f84b3a6e0f1ce9502dab4b57a08afaaf1863dafd5d"`
[INFO] [stdout] bb1730182350f5297288b7f84b3a6e0f1ce9502dab4b57a08afaaf1863dafd5d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "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] e2527f42a587b868a3abb2508b1b8cfcecf9092482938e9fc33495abd4983024
[INFO] running `"docker" "start" "-a" "e2527f42a587b868a3abb2508b1b8cfcecf9092482938e9fc33495abd4983024"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fort-1633fae282d2e30d
[INFO] [stderr]    Doc-tests fort
[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] running `"docker" "inspect" "e2527f42a587b868a3abb2508b1b8cfcecf9092482938e9fc33495abd4983024"`
[INFO] running `"docker" "rm" "-f" "e2527f42a587b868a3abb2508b1b8cfcecf9092482938e9fc33495abd4983024"`
[INFO] [stdout] e2527f42a587b868a3abb2508b1b8cfcecf9092482938e9fc33495abd4983024