[INFO] cloning repository https://github.com/Lancern/qwb-2020-fuzzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lancern/qwb-2020-fuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLancern%2Fqwb-2020-fuzzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLancern%2Fqwb-2020-fuzzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad44162da781984ceba8d6dbaff6402e9453a8a8
[INFO] testing Lancern/qwb-2020-fuzzer against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLancern%2Fqwb-2020-fuzzer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lancern/qwb-2020-fuzzer on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lancern/qwb-2020-fuzzer
[INFO] finished tweaking git repo https://github.com/Lancern/qwb-2020-fuzzer
[INFO] tweaked toml for git repo https://github.com/Lancern/qwb-2020-fuzzer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lancern/qwb-2020-fuzzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 467d95b274f93ed90ba7d490a0c156d65d6c81e13b7cacdd3ba72cc25d4beb8b
[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" "467d95b274f93ed90ba7d490a0c156d65d6c81e13b7cacdd3ba72cc25d4beb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467d95b274f93ed90ba7d490a0c156d65d6c81e13b7cacdd3ba72cc25d4beb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467d95b274f93ed90ba7d490a0c156d65d6c81e13b7cacdd3ba72cc25d4beb8b", kill_on_drop: false }`
[INFO] [stdout] 467d95b274f93ed90ba7d490a0c156d65d6c81e13b7cacdd3ba72cc25d4beb8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506d44cde45d64e7a405289d7874a6e3a2cdd90182152bfbdd343fcd90108a07
[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" "506d44cde45d64e7a405289d7874a6e3a2cdd90182152bfbdd343fcd90108a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling babyheap-mutator v0.1.0 (/opt/rustwide/workdir/babyheap-mutator)
[INFO] [stderr]    Compiling babyheap-seed-cli v0.1.0 (/opt/rustwide/workdir/babyheap-seed-cli)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer)
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling babynotes-mutator v0.1.0 (/opt/rustwide/workdir/babynotes-mutator)
[INFO] [stderr]    Compiling babynotes-seed-cli v0.1.0 (/opt/rustwide/workdir/babynotes-seed-cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.03s
[INFO] running `Command { std: "docker" "inspect" "506d44cde45d64e7a405289d7874a6e3a2cdd90182152bfbdd343fcd90108a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506d44cde45d64e7a405289d7874a6e3a2cdd90182152bfbdd343fcd90108a07", kill_on_drop: false }`
[INFO] [stdout] 506d44cde45d64e7a405289d7874a6e3a2cdd90182152bfbdd343fcd90108a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a624cd61603da1308025a25376882f7f19aa4f46dee18d20c4f07f9cd50f7d
[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" "32a624cd61603da1308025a25376882f7f19aa4f46dee18d20c4f07f9cd50f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling babyheap-mutator v0.1.0 (/opt/rustwide/workdir/babyheap-mutator)
[INFO] [stderr]    Compiling babyheap-seed-cli v0.1.0 (/opt/rustwide/workdir/babyheap-seed-cli)
[INFO] [stderr]    Compiling fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer)
[INFO] [stderr]    Compiling babynotes-mutator v0.1.0 (/opt/rustwide/workdir/babynotes-mutator)
[INFO] [stderr]    Compiling babynotes-seed-cli v0.1.0 (/opt/rustwide/workdir/babynotes-seed-cli)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "32a624cd61603da1308025a25376882f7f19aa4f46dee18d20c4f07f9cd50f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a624cd61603da1308025a25376882f7f19aa4f46dee18d20c4f07f9cd50f7d", kill_on_drop: false }`
[INFO] [stdout] 32a624cd61603da1308025a25376882f7f19aa4f46dee18d20c4f07f9cd50f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] a6659d8016466fb3b8316f2d33a6716476af00a28be2e8cb2ef8de4c3027f7e0
[INFO] running `Command { std: "docker" "start" "-a" "a6659d8016466fb3b8316f2d33a6716476af00a28be2e8cb2ef8de4c3027f7e0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babyheap_mutator-525323e8b23f4d67)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babyheap_seed_cli-aadbb5df89344c17)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babynotes_mutator-7fd8139ae04a0bc2)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babynotes_seed_cli-1d544505f0698572)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzzer-70b458172b8c458c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests babyheap-mutator
[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] [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 babynotes-mutator
[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 fuzzer
[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" "a6659d8016466fb3b8316f2d33a6716476af00a28be2e8cb2ef8de4c3027f7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6659d8016466fb3b8316f2d33a6716476af00a28be2e8cb2ef8de4c3027f7e0", kill_on_drop: false }`
[INFO] [stdout] a6659d8016466fb3b8316f2d33a6716476af00a28be2e8cb2ef8de4c3027f7e0