[INFO] cloning repository https://github.com/trancesnail/uwcl_rbpf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trancesnail/uwcl_rbpf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrancesnail%2Fuwcl_rbpf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrancesnail%2Fuwcl_rbpf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04f1780ee0033364fd18e29d8f6af683664a5d9b
[INFO] checking trancesnail/uwcl_rbpf against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrancesnail%2Fuwcl_rbpf" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trancesnail/uwcl_rbpf on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trancesnail/uwcl_rbpf
[INFO] finished tweaking git repo https://github.com/trancesnail/uwcl_rbpf
[INFO] tweaked toml for git repo https://github.com/trancesnail/uwcl_rbpf written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/trancesnail/uwcl_rbpf 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded goblin v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5202c65c0ebc55bf84a735fe68349bebfcb6b51949dad841c9b59ee6aa906f86
[INFO] running `Command { std: "docker" "start" "-a" "5202c65c0ebc55bf84a735fe68349bebfcb6b51949dad841c9b59ee6aa906f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5202c65c0ebc55bf84a735fe68349bebfcb6b51949dad841c9b59ee6aa906f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5202c65c0ebc55bf84a735fe68349bebfcb6b51949dad841c9b59ee6aa906f86", kill_on_drop: false }`
[INFO] [stdout] 5202c65c0ebc55bf84a735fe68349bebfcb6b51949dad841c9b59ee6aa906f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c0c03335a5a9e35f38955c083bfbe887d5df0ea2bef5ec75020c7c8e76280e5
[INFO] running `Command { std: "docker" "start" "-a" "5c0c03335a5a9e35f38955c083bfbe887d5df0ea2bef5ec75020c7c8e76280e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.4.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking uwcl_rbpf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uwcl_test_utils v0.0.1 (/opt/rustwide/workdir/test_utils)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/vm_execution.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |           .bench(|bencher| {
[INFO] [stdout]    |  __________________________^
[INFO] [stdout] 80 | |             bencher.iter(|| {
[INFO] [stdout] 81 | |                 let result = vm.execute_program_interpreted(&mut TestInstructionMeter {
[INFO] [stdout] 82 | |                     remaining: instruction_meter,
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |             });
[INFO] [stdout] 87 | |         })
[INFO] [stdout]    | |_________^ expected `Result<(), String>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/vm_execution.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |           .bench(|bencher| {
[INFO] [stdout]    |  __________________________^
[INFO] [stdout] 91 | |             bencher.iter(|| {
[INFO] [stdout] 92 | |                 let result = vm.execute_program_jit(&mut TestInstructionMeter {
[INFO] [stdout] 93 | |                     remaining: instruction_meter,
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |             });
[INFO] [stdout] 98 | |         })
[INFO] [stdout]    | |_________^ expected `Result<(), String>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `mean` on type `Option<Summary>`
[INFO] [stdout]    --> benches/vm_execution.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |         interpreter_summary.mean / jit_summary.mean
[INFO] [stdout]     |                             ^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout] help: one of the expressions' fields has a field of the same name
[INFO] [stdout]     |
[INFO] [stdout] 102 |         interpreter_summary.unwrap().mean / jit_summary.mean
[INFO] [stdout]     |                             +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `mean` on type `Option<Summary>`
[INFO] [stdout]    --> benches/vm_execution.rs:102:48
[INFO] [stdout]     |
[INFO] [stdout] 102 |         interpreter_summary.mean / jit_summary.mean
[INFO] [stdout]     |                                                ^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout] help: one of the expressions' fields has a field of the same name
[INFO] [stdout]     |
[INFO] [stdout] 102 |         interpreter_summary.mean / jit_summary.unwrap().mean
[INFO] [stdout]     |                                                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uwcl_rbpf` (bench "vm_execution") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c0c03335a5a9e35f38955c083bfbe887d5df0ea2bef5ec75020c7c8e76280e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0c03335a5a9e35f38955c083bfbe887d5df0ea2bef5ec75020c7c8e76280e5", kill_on_drop: false }`
[INFO] [stdout] 5c0c03335a5a9e35f38955c083bfbe887d5df0ea2bef5ec75020c7c8e76280e5
[INFO] checking trancesnail/uwcl_rbpf against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrancesnail%2Fuwcl_rbpf" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trancesnail/uwcl_rbpf on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trancesnail/uwcl_rbpf
[INFO] finished tweaking git repo https://github.com/trancesnail/uwcl_rbpf
[INFO] tweaked toml for git repo https://github.com/trancesnail/uwcl_rbpf written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/trancesnail/uwcl_rbpf 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b38a8c29b429fbe86cd4522bc7c77499ee6c4dbd4f7f0fd26a9733bf4d40f9a
[INFO] running `Command { std: "docker" "start" "-a" "1b38a8c29b429fbe86cd4522bc7c77499ee6c4dbd4f7f0fd26a9733bf4d40f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b38a8c29b429fbe86cd4522bc7c77499ee6c4dbd4f7f0fd26a9733bf4d40f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b38a8c29b429fbe86cd4522bc7c77499ee6c4dbd4f7f0fd26a9733bf4d40f9a", kill_on_drop: false }`
[INFO] [stdout] 1b38a8c29b429fbe86cd4522bc7c77499ee6c4dbd4f7f0fd26a9733bf4d40f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ccba421473fc1cec864870c0c4863df8059a701591ffa2497f4b8203ee3940b
[INFO] running `Command { std: "docker" "start" "-a" "6ccba421473fc1cec864870c0c4863df8059a701591ffa2497f4b8203ee3940b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "6ccba421473fc1cec864870c0c4863df8059a701591ffa2497f4b8203ee3940b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccba421473fc1cec864870c0c4863df8059a701591ffa2497f4b8203ee3940b", kill_on_drop: false }`
[INFO] [stdout] 6ccba421473fc1cec864870c0c4863df8059a701591ffa2497f4b8203ee3940b