[INFO] fetching crate etag 3.0.0...
[INFO] checking etag-3.0.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate etag 3.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate etag 3.0.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str-buf v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5260d041b546d0335cdb52901c6839a72b994a0bc1d83aed188ca2a1805549a5
[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" "5260d041b546d0335cdb52901c6839a72b994a0bc1d83aed188ca2a1805549a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5260d041b546d0335cdb52901c6839a72b994a0bc1d83aed188ca2a1805549a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5260d041b546d0335cdb52901c6839a72b994a0bc1d83aed188ca2a1805549a5", kill_on_drop: false }`
[INFO] [stdout] 5260d041b546d0335cdb52901c6839a72b994a0bc1d83aed188ca2a1805549a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a1ea53e6a2b0a94cf5e2dbee3aeeafb452f9a5bdf782d9356596f36a0ae7a50
[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" "4a1ea53e6a2b0a94cf5e2dbee3aeeafb452f9a5bdf782d9356596f36a0ae7a50", kill_on_drop: false }`
[INFO] [stderr]     Checking xxhash-rust v0.8.2
[INFO] [stderr]     Checking str-buf v2.0.1
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4a1ea53e6a2b0a94cf5e2dbee3aeeafb452f9a5bdf782d9356596f36a0ae7a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1ea53e6a2b0a94cf5e2dbee3aeeafb452f9a5bdf782d9356596f36a0ae7a50", kill_on_drop: false }`
[INFO] [stdout] 4a1ea53e6a2b0a94cf5e2dbee3aeeafb452f9a5bdf782d9356596f36a0ae7a50