[INFO] fetching crate at-commands 0.4.0...
[INFO] testing at-commands-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate at-commands 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate at-commands 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate at-commands 0.4.0
[INFO] finished tweaking crates.io crate at-commands 0.4.0
[INFO] tweaked toml for crates.io crate at-commands 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6b344483aa4fd9a5ea1a87494628756f2b06eb0a5f474ad05495d35c0d5f764
[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" "c6b344483aa4fd9a5ea1a87494628756f2b06eb0a5f474ad05495d35c0d5f764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b344483aa4fd9a5ea1a87494628756f2b06eb0a5f474ad05495d35c0d5f764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b344483aa4fd9a5ea1a87494628756f2b06eb0a5f474ad05495d35c0d5f764", kill_on_drop: false }`
[INFO] [stdout] c6b344483aa4fd9a5ea1a87494628756f2b06eb0a5f474ad05495d35c0d5f764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9328fd26cd86348ddeedd4e35e369e769aca0be56867319a2ef1223ccebebcb
[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" "a9328fd26cd86348ddeedd4e35e369e769aca0be56867319a2ef1223ccebebcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling at-commands v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a9328fd26cd86348ddeedd4e35e369e769aca0be56867319a2ef1223ccebebcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9328fd26cd86348ddeedd4e35e369e769aca0be56867319a2ef1223ccebebcb", kill_on_drop: false }`
[INFO] [stdout] a9328fd26cd86348ddeedd4e35e369e769aca0be56867319a2ef1223ccebebcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850e68e5b3c6243c09d03d4e69444079a306e0a9452353b4018b7381976101dc
[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" "850e68e5b3c6243c09d03d4e69444079a306e0a9452353b4018b7381976101dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling at-commands v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:102:20
[INFO] [stdout]     |
[INFO] [stdout] 102 |         assert_eq!(parse_int(b"0"), Some(0));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |         assert_eq!(parse_int(b"-1"), Some(-1));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         assert_eq!(parse_int(b"1"), Some(1));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |         assert_eq!(parse_int(b"-42"), Some(-42));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |         assert_eq!(parse_int(b"42"), Some(42));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:107:20
[INFO] [stdout]     |
[INFO] [stdout] 107 |         assert_eq!(parse_int(b"-2147483648"), Some(-2147483648));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         assert_eq!(parse_int(b"2147483647"), Some(2147483647));
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         assert_eq!(parse_int(b""), None);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(parse_int(b"abc"), None);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         assert_eq!(parse_int(b"-b"), None);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |         assert_eq!(parse_int(b"123456a"), None);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_int` in this scope
[INFO] [stdout]    --> src/formatter.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |         assert_eq!(parse_int(b"z12354"), None);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `at-commands`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "850e68e5b3c6243c09d03d4e69444079a306e0a9452353b4018b7381976101dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850e68e5b3c6243c09d03d4e69444079a306e0a9452353b4018b7381976101dc", kill_on_drop: false }`
[INFO] [stdout] 850e68e5b3c6243c09d03d4e69444079a306e0a9452353b4018b7381976101dc