[INFO] fetching crate shimmer 0.0.0...
[INFO] testing shimmer-0.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate shimmer 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate shimmer 0.0.0
[INFO] finished tweaking crates.io crate shimmer 0.0.0
[INFO] tweaked toml for crates.io crate shimmer 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shimmer 0.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shimmer 0.0.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded indoc v2.0.4
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded winnow v0.6.2
[INFO] [stderr]   Downloaded phf_generator v0.11.2
[INFO] [stderr]   Downloaded phf_shared v0.11.2
[INFO] [stderr]   Downloaded phf v0.11.2
[INFO] [stderr]   Downloaded itoa v1.0.10
[INFO] [stderr]   Downloaded ryu v1.0.16
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded phf_macros v0.11.2
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded shimmer_lexer v0.0.0
[INFO] [stderr]   Downloaded shimmer_meta v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4774b853c78e75ac5031dec08c8c221f7dbca39b3f8bab6ef097c5389dcd80bd
[INFO] running `Command { std: "docker" "start" "-a" "4774b853c78e75ac5031dec08c8c221f7dbca39b3f8bab6ef097c5389dcd80bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4774b853c78e75ac5031dec08c8c221f7dbca39b3f8bab6ef097c5389dcd80bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4774b853c78e75ac5031dec08c8c221f7dbca39b3f8bab6ef097c5389dcd80bd", kill_on_drop: false }`
[INFO] [stdout] 4774b853c78e75ac5031dec08c8c221f7dbca39b3f8bab6ef097c5389dcd80bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d41329f8c4f8f03b5e7e46f4a71b3661b9a5f745f4597e6f6282a3d9fbf6cf9d
[INFO] running `Command { std: "docker" "start" "-a" "d41329f8c4f8f03b5e7e46f4a71b3661b9a5f745f4597e6f6282a3d9fbf6cf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]    Compiling winnow v0.6.2
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling function_name v0.3.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling shimmer_meta v0.0.0
[INFO] [stderr]    Compiling shimmer_lexer v0.0.0
[INFO] [stderr]    Compiling shimmer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.27s
[INFO] running `Command { std: "docker" "inspect" "d41329f8c4f8f03b5e7e46f4a71b3661b9a5f745f4597e6f6282a3d9fbf6cf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41329f8c4f8f03b5e7e46f4a71b3661b9a5f745f4597e6f6282a3d9fbf6cf9d", kill_on_drop: false }`
[INFO] [stdout] d41329f8c4f8f03b5e7e46f4a71b3661b9a5f745f4597e6f6282a3d9fbf6cf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e24a19243fbbde7ef6f81fd3c07b2a352664cae19b62d98afe459aef48c2f6f
[INFO] running `Command { std: "docker" "start" "-a" "8e24a19243fbbde7ef6f81fd3c07b2a352664cae19b62d98afe459aef48c2f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shimmer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8e24a19243fbbde7ef6f81fd3c07b2a352664cae19b62d98afe459aef48c2f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e24a19243fbbde7ef6f81fd3c07b2a352664cae19b62d98afe459aef48c2f6f", kill_on_drop: false }`
[INFO] [stdout] 8e24a19243fbbde7ef6f81fd3c07b2a352664cae19b62d98afe459aef48c2f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 809d91099aca7390ccb562ce66566db00873fac0c464b59ca1ce1f74da0f10cc
[INFO] running `Command { std: "docker" "start" "-a" "809d91099aca7390ccb562ce66566db00873fac0c464b59ca1ce1f74da0f10cc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shimmer-9faf3592b913a81d)
[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" "809d91099aca7390ccb562ce66566db00873fac0c464b59ca1ce1f74da0f10cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809d91099aca7390ccb562ce66566db00873fac0c464b59ca1ce1f74da0f10cc", kill_on_drop: false }`
[INFO] [stdout] 809d91099aca7390ccb562ce66566db00873fac0c464b59ca1ce1f74da0f10cc