[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] checking Lancern/qwb-2020-fuzzer against c397dae808f70caebab1fc4e11b3edf7e59f58c7 for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLancern%2Fqwb-2020-fuzzer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lancern/qwb-2020-fuzzer on toolchain c397dae808f70caebab1fc4e11b3edf7e59f58c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lancern/qwb-2020-fuzzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe
[INFO] running `Command { std: "docker" "start" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking babyheap-seed-cli v0.1.0 (/opt/rustwide/workdir/babyheap-seed-cli)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking babyheap-mutator v0.1.0 (/opt/rustwide/workdir/babyheap-mutator)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> fuzzer/src/lib.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let delta = unsafe { std::mem::transmute::<i8, u8>(delta) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 301 -     let delta = unsafe { std::mem::transmute::<i8, u8>(delta) };
[INFO] [stdout] 301 +     let delta = unsafe { i8::cast_unsigned(delta) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> fuzzer/src/lib.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let delta = unsafe { std::mem::transmute::<i8, u8>(delta) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 301 -     let delta = unsafe { std::mem::transmute::<i8, u8>(delta) };
[INFO] [stdout] 301 +     let delta = unsafe { i8::cast_unsigned(delta) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking babynotes-mutator v0.1.0 (/opt/rustwide/workdir/babynotes-mutator)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> babynotes-mutator/src/lib.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe { Box::from_raw(data as *mut Fuzzer) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe { let _ = Box::from_raw(data as *mut Fuzzer); };
[INFO] [stdout]     |              +++++++                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking babynotes-seed-cli v0.1.0 (/opt/rustwide/workdir/babynotes-seed-cli)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> babynotes-mutator/src/lib.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe { Box::from_raw(data as *mut Fuzzer) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe { let _ = Box::from_raw(data as *mut Fuzzer); };
[INFO] [stdout]     |              +++++++                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe", kill_on_drop: false }`
[INFO] [stdout] 20008ccf4e60e2b3c6d97f8bd779b8b9226dd97a6e6f73a2b208653bee692abe
