[INFO] fetching crate boomerang 0.1.0...
[INFO] testing boomerang-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate boomerang 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate boomerang 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomerang 0.1.0
[INFO] finished tweaking crates.io crate boomerang 0.1.0
[INFO] tweaked toml for crates.io crate boomerang 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5082b3ae422d906ac4229720cb3b326c59c08e0980aed5bf45b81db5d437e5e4
[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" "5082b3ae422d906ac4229720cb3b326c59c08e0980aed5bf45b81db5d437e5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5082b3ae422d906ac4229720cb3b326c59c08e0980aed5bf45b81db5d437e5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5082b3ae422d906ac4229720cb3b326c59c08e0980aed5bf45b81db5d437e5e4", kill_on_drop: false }`
[INFO] [stdout] 5082b3ae422d906ac4229720cb3b326c59c08e0980aed5bf45b81db5d437e5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 511bef06158522c65a5472eac6ca19b8d86570afa46c70216671d4fd71589696
[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" "511bef06158522c65a5472eac6ca19b8d86570afa46c70216671d4fd71589696", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tabular v0.1.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling parse_duration v2.1.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling boomerang_derive v0.1.0
[INFO] [stderr]    Compiling boomerang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_time` is never read
[INFO] [stdout]    --> src/scheduler.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 next_time = event.expect("Unexpected None() event.").time;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "511bef06158522c65a5472eac6ca19b8d86570afa46c70216671d4fd71589696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511bef06158522c65a5472eac6ca19b8d86570afa46c70216671d4fd71589696", kill_on_drop: false }`
[INFO] [stdout] 511bef06158522c65a5472eac6ca19b8d86570afa46c70216671d4fd71589696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d4a5053602546701e0e26444704cc741b341e39a19e286ba0702d27a12510e
[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" "98d4a5053602546701e0e26444704cc741b341e39a19e286ba0702d27a12510e", kill_on_drop: false }`
[INFO] [stderr]    Compiling boomerang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_time` is never read
[INFO] [stdout]    --> src/scheduler.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 next_time = event.expect("Unexpected None() event.").time;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_time` is never read
[INFO] [stdout]    --> src/scheduler.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 next_time = event.expect("Unexpected None() event.").time;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] digraph {
[INFO] [stdout]     0 [ label = "rea_foo" ]
[INFO] [stdout]     1 [ label = "HelloWorld" ]
[INFO] [stdout]     2 [ label = "tri_tim1" ]
[INFO] [stdout]     3 [ label = "out_out1" ]
[INFO] [stdout]     4 [ label = "tri_in1" ]
[INFO] [stdout]     5 [ label = "rea_bar" ]
[INFO] [stdout]     6 [ label = "inp_in1" ]
[INFO] [stdout]     0 -> 1 [ ]
[INFO] [stdout]     2 -> 0 [ ]
[INFO] [stdout]     0 -> 3 [ ]
[INFO] [stdout]     0 -> 4 [ ]
[INFO] [stdout]     5 -> 1 [ ]
[INFO] [stdout]     4 -> 5 [ ]
[INFO] [stdout]     5 -> 6 [ ]
[INFO] [stdout]     6 -> 3 [ ]
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "98d4a5053602546701e0e26444704cc741b341e39a19e286ba0702d27a12510e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d4a5053602546701e0e26444704cc741b341e39a19e286ba0702d27a12510e", kill_on_drop: false }`
[INFO] [stdout] 98d4a5053602546701e0e26444704cc741b341e39a19e286ba0702d27a12510e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] c2c4b354dca5875af686c46efaaf2e40110b9bd6ad716c10f7d4b47f3ede6c37
[INFO] running `Command { std: "docker" "start" "-a" "c2c4b354dca5875af686c46efaaf2e40110b9bd6ad716c10f7d4b47f3ede6c37", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `next_time` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/scheduler.rs:310:17
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 310 |                 next_time = event.expect("Unexpected None() event.").time;
[INFO] [stdout] 
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `boomerang` (lib) generated 1 warning
[INFO] [stderr] warning: `boomerang` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/boomerang-1a3c290c0ca80b77)
[INFO] [stderr]      Running tests/hello_world.rs (/opt/rustwide/target/debug/deps/hello_world-22e5385a619a78b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests boomerang
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `Command { std: "docker" "inspect" "c2c4b354dca5875af686c46efaaf2e40110b9bd6ad716c10f7d4b47f3ede6c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c4b354dca5875af686c46efaaf2e40110b9bd6ad716c10f7d4b47f3ede6c37", kill_on_drop: false }`
[INFO] [stdout] c2c4b354dca5875af686c46efaaf2e40110b9bd6ad716c10f7d4b47f3ede6c37