[INFO] fetching crate etag 3.0.0...
[INFO] checking etag-3.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate etag 3.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate etag 3.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etag 3.0.0
[INFO] finished tweaking crates.io crate etag 3.0.0
[INFO] tweaked toml for crates.io crate etag 3.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ed4f26548f4a66390d9d2597523c0133c6c010f13b2ccae1e0fdcc9ee718f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24ed4f26548f4a66390d9d2597523c0133c6c010f13b2ccae1e0fdcc9ee718f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ed4f26548f4a66390d9d2597523c0133c6c010f13b2ccae1e0fdcc9ee718f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ed4f26548f4a66390d9d2597523c0133c6c010f13b2ccae1e0fdcc9ee718f7", kill_on_drop: false }`
[INFO] [stdout] 24ed4f26548f4a66390d9d2597523c0133c6c010f13b2ccae1e0fdcc9ee718f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252eacef1193e3b5bbcec9f0e46dbfdc517cafcd0a110c0f35530c30cfb7282f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "252eacef1193e3b5bbcec9f0e46dbfdc517cafcd0a110c0f35530c30cfb7282f", kill_on_drop: false }`
[INFO] [stderr]     Checking xxhash-rust v0.8.2
[INFO] [stderr]     Checking str-buf v2.0.2
[INFO] [stderr]     Checking etag v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/lib.rs:338:24
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let expected = std::format!("{0}-{1}", u64::max_value(), u128::max_value());
[INFO] [stdout]     |                        ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let expected = std::format!("{0}.{0}-{0}", u64::max_value());
[INFO] [stdout]     |                        ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_str` found for type `str` in the current scope
[INFO] [stdout]    --> src/lib.rs:337:29
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expected.as_str(), res);
[INFO] [stdout]     |                            -^^^^^^-- help: remove this method call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_str` found for type `str` in the current scope
[INFO] [stdout]    --> src/lib.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |         assert_eq!(expected.as_str(), res);
[INFO] [stdout]     |                            -^^^^^^-- help: remove this method call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `etag` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "252eacef1193e3b5bbcec9f0e46dbfdc517cafcd0a110c0f35530c30cfb7282f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252eacef1193e3b5bbcec9f0e46dbfdc517cafcd0a110c0f35530c30cfb7282f", kill_on_drop: false }`
[INFO] [stdout] 252eacef1193e3b5bbcec9f0e46dbfdc517cafcd0a110c0f35530c30cfb7282f