[INFO] fetching crate cbe_rbpf 0.2.38...
[INFO] checking cbe_rbpf-0.2.38 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate cbe_rbpf 0.2.38 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cbe_rbpf 0.2.38 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbe_rbpf 0.2.38
[INFO] finished tweaking crates.io crate cbe_rbpf 0.2.38
[INFO] tweaked toml for crates.io crate cbe_rbpf 0.2.38 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cbe_rbpf 0.2.38 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.1.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded arbitrary v1.1.0
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded gdbstub v0.6.3
[INFO] [stderr]   Downloaded goblin v0.5.1
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f56d816cf92d18bc97ec5662e9fd84e000cd510b1221ac86befe135fe487e19
[INFO] running `Command { std: "docker" "start" "-a" "3f56d816cf92d18bc97ec5662e9fd84e000cd510b1221ac86befe135fe487e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f56d816cf92d18bc97ec5662e9fd84e000cd510b1221ac86befe135fe487e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f56d816cf92d18bc97ec5662e9fd84e000cd510b1221ac86befe135fe487e19", kill_on_drop: false }`
[INFO] [stdout] 3f56d816cf92d18bc97ec5662e9fd84e000cd510b1221ac86befe135fe487e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a871227acd00417b828da6650ca1494a330d4fea3b57f80d2f462d0b1af3f90
[INFO] running `Command { std: "docker" "start" "-a" "0a871227acd00417b828da6650ca1494a330d4fea3b57f80d2f462d0b1af3f90", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking cbe_rbpf v0.2.38 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ebpf` is imported redundantly
[INFO] [stdout]     --> src/elf.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1194 |     use super::*;
[INFO] [stdout]      |         -------- the item `ebpf` is already imported here
[INFO] [stdout] 1195 |     use crate::{
[INFO] [stdout] 1196 |         ebpf,
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/static_analysis.rs:898:25
[INFO] [stdout]     |
[INFO] [stdout] 898 |                     let mut cfg_node = self.cfg_nodes.get_mut(b).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `err_checked_div` is never used
[INFO] [stdout]   --> src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | trait ErrCheckedArithmetic: Sized {
[INFO] [stdout]    |       -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn err_checked_div(self, other: Self) -> Result<Self, ArithmeticOverflow>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TautologyVerifier` is never constructed
[INFO] [stdout]    --> src/verifier.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub(crate) struct TautologyVerifier {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> benches/jit_compile.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use test_utils::TautologyVerifier;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> benches/vm_execution.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use test_utils::TautologyVerifier;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]  --> tests/assembler.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate test_utils;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> tests/ubpf_verifier.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use test_utils::TautologyVerifier;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/ubpf_execution.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/misc.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> benches/elf_loader.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe_rbpf` (test "misc") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cbe_rbpf` (bench "jit_compile") due to 2 previous errors
[INFO] [stderr] error: could not compile `cbe_rbpf` (bench "elf_loader") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe_rbpf` (bench "vm_execution") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe_rbpf` (test "ubpf_verifier") due to 2 previous errors
[INFO] [stderr] error: could not compile `cbe_rbpf` (test "assembler") due to 2 previous errors
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/static_analysis.rs:898:25
[INFO] [stdout]     |
[INFO] [stdout] 898 |                     let mut cfg_node = self.cfg_nodes.get_mut(b).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `err_checked_div` is never used
[INFO] [stdout]   --> src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | trait ErrCheckedArithmetic: Sized {
[INFO] [stdout]    |       -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn err_checked_div(self, other: Self) -> Result<Self, ArithmeticOverflow>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TautologyVerifier` is never constructed
[INFO] [stdout]    --> src/verifier.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub(crate) struct TautologyVerifier {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe_rbpf` (test "ubpf_execution") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0a871227acd00417b828da6650ca1494a330d4fea3b57f80d2f462d0b1af3f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a871227acd00417b828da6650ca1494a330d4fea3b57f80d2f462d0b1af3f90", kill_on_drop: false }`
[INFO] [stdout] 0a871227acd00417b828da6650ca1494a330d4fea3b57f80d2f462d0b1af3f90
