[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLancern%2Fqwb-2020-fuzzer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lancern/qwb-2020-fuzzer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68bc6750c529a351c3d4aba3aa88ac158c37c0893243023bdc55c667f191b741
[INFO] running `Command { std: "docker" "start" "-a" "68bc6750c529a351c3d4aba3aa88ac158c37c0893243023bdc55c667f191b741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68bc6750c529a351c3d4aba3aa88ac158c37c0893243023bdc55c667f191b741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bc6750c529a351c3d4aba3aa88ac158c37c0893243023bdc55c667f191b741", kill_on_drop: false }`
[INFO] [stdout] 68bc6750c529a351c3d4aba3aa88ac158c37c0893243023bdc55c667f191b741
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4a4c959fc023a5c8d9106d60a7a6d2a2d6d51e071a53da232cf4cebafb18d7
[INFO] running `Command { std: "docker" "start" "-a" "4a4a4c959fc023a5c8d9106d60a7a6d2a2d6d51e071a53da232cf4cebafb18d7", 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 serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[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 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 21.44s
[INFO] running `Command { std: "docker" "inspect" "4a4a4c959fc023a5c8d9106d60a7a6d2a2d6d51e071a53da232cf4cebafb18d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4a4c959fc023a5c8d9106d60a7a6d2a2d6d51e071a53da232cf4cebafb18d7", kill_on_drop: false }`
[INFO] [stdout] 4a4a4c959fc023a5c8d9106d60a7a6d2a2d6d51e071a53da232cf4cebafb18d7
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32180be1f5b537327c14ee0eef20887875b58b7529430029c4925b3d7a1994a
[INFO] running `Command { std: "docker" "start" "-a" "e32180be1f5b537327c14ee0eef20887875b58b7529430029c4925b3d7a1994a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling babyheap-seed-cli v0.1.0 (/opt/rustwide/workdir/babyheap-seed-cli)
[INFO] [stderr]    Compiling babyheap-mutator v0.1.0 (/opt/rustwide/workdir/babyheap-mutator)
[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 1.14s
[INFO] running `Command { std: "docker" "inspect" "e32180be1f5b537327c14ee0eef20887875b58b7529430029c4925b3d7a1994a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32180be1f5b537327c14ee0eef20887875b58b7529430029c4925b3d7a1994a", kill_on_drop: false }`
[INFO] [stdout] e32180be1f5b537327c14ee0eef20887875b58b7529430029c4925b3d7a1994a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eff14358439fc69110734e82e25d8a0e0c966cadf790199ad40242bf4ce181cd
[INFO] running `Command { std: "docker" "start" "-a" "eff14358439fc69110734e82e25d8a0e0c966cadf790199ad40242bf4ce181cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babyheap_mutator-dee706ac35157e3d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babyheap_seed_cli-b922e5f96e2a6ede)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babynotes_mutator-a7074bee016c92cf)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babynotes_seed_cli-a2517ba01f20bde4)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzzer-7786cdb4ef2df61c)
[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 babyheap-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 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" "eff14358439fc69110734e82e25d8a0e0c966cadf790199ad40242bf4ce181cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff14358439fc69110734e82e25d8a0e0c966cadf790199ad40242bf4ce181cd", kill_on_drop: false }`
[INFO] [stdout] eff14358439fc69110734e82e25d8a0e0c966cadf790199ad40242bf4ce181cd