[INFO] fetching crate contracts 0.6.0...
[INFO] testing contracts-0.6.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate contracts 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate contracts 0.6.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contracts 0.6.0
[INFO] finished tweaking crates.io crate contracts 0.6.0
[INFO] tweaked toml for crates.io crate contracts 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate contracts 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1cf37f42ded947af9c0dd9f6b880a6376484b042d948249f78c9bf34d745aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c1cf37f42ded947af9c0dd9f6b880a6376484b042d948249f78c9bf34d745aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1cf37f42ded947af9c0dd9f6b880a6376484b042d948249f78c9bf34d745aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1cf37f42ded947af9c0dd9f6b880a6376484b042d948249f78c9bf34d745aa", kill_on_drop: false }`
[INFO] [stdout] 5c1cf37f42ded947af9c0dd9f6b880a6376484b042d948249f78c9bf34d745aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba4b15e15bb9d925f89c05bd839606a07eccd78502bc1b32acd74e5bd7ec306
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fba4b15e15bb9d925f89c05bd839606a07eccd78502bc1b32acd74e5bd7ec306", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling contracts v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.22s
[INFO] running `Command { std: "docker" "inspect" "fba4b15e15bb9d925f89c05bd839606a07eccd78502bc1b32acd74e5bd7ec306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba4b15e15bb9d925f89c05bd839606a07eccd78502bc1b32acd74e5bd7ec306", kill_on_drop: false }`
[INFO] [stdout] fba4b15e15bb9d925f89c05bd839606a07eccd78502bc1b32acd74e5bd7ec306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a93691c2df6093c69fc9af66acf7814bc42e3b03ebeae0d9597f1e5fd6b2f86
[INFO] running `Command { std: "docker" "start" "-a" "1a93691c2df6093c69fc9af66acf7814bc42e3b03ebeae0d9597f1e5fd6b2f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling contracts v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "1a93691c2df6093c69fc9af66acf7814bc42e3b03ebeae0d9597f1e5fd6b2f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a93691c2df6093c69fc9af66acf7814bc42e3b03ebeae0d9597f1e5fd6b2f86", kill_on_drop: false }`
[INFO] [stdout] 1a93691c2df6093c69fc9af66acf7814bc42e3b03ebeae0d9597f1e5fd6b2f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5a630a424e2e4897d97b11fbc870be87185f693c01c74e726fdffec9cf5fb4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5a630a424e2e4897d97b11fbc870be87185f693c01c74e726fdffec9cf5fb4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/contracts-45c83c9b139045de
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/functions-ca7d8c0ba874ee9a
[INFO] [stdout] test implementation::traits::tests::attributes_stay_on_trait_impl ... ok
[INFO] [stdout] test implementation::traits::tests::attributes_stay_on_trait_def ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_sort ... ok
[INFO] [stdout] test test_invariant ... ok
[INFO] [stdout] test test_a_thing ... ok
[INFO] [stdout] test test_early_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/implication-76fcdde59ade6a93
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_requires_implication ... ok
[INFO] [stdout] test test_ret_implication ... ok
[INFO] [stdout] test test_ret_implication_old ... ok
[INFO] [stdout] test test_nested_implication ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/methods-02ce1bbc336b433b
[INFO] [stdout] test test_failing_implication ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test impl_invariant ... ok
[INFO] [stdout] test methods ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/old-c9059d1a81decac6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_old_nested ... ok
[INFO] [stdout] test test_old_simple ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ranged_int-dc191096c3e963d1
[INFO] [stdout] test test_violation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ranged_int_add_reassign ... ok
[INFO] [stdout] test ranged_int_add ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traits-2bc96417e9c866b4
[INFO] [stdout] test construction_underflow ... ok
[INFO] [stdout] test construction_overflow ... ok
[INFO] [stdout] test ranged_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test adder_example ... ok
[INFO] [stderr]    Doc-tests contracts
[INFO] [stdout] test interpolate_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - invariant (line 293) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ensures (line 238) ... ok
[INFO] [stdout] test src/lib.rs - requires (line 190) ... ok
[INFO] [stdout] test src/lib.rs - ensures (line 246) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 102) ... ok
[INFO] [stdout] test src/lib.rs - invariant (line 304) ... ok
[INFO] [stdout] test src/lib.rs - contract_trait (line 371) ... ok
[INFO] [stdout] test src/lib.rs - (line 116) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5a630a424e2e4897d97b11fbc870be87185f693c01c74e726fdffec9cf5fb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a630a424e2e4897d97b11fbc870be87185f693c01c74e726fdffec9cf5fb4d", kill_on_drop: false }`
[INFO] [stdout] c5a630a424e2e4897d97b11fbc870be87185f693c01c74e726fdffec9cf5fb4d