[INFO] cloning repository https://github.com/RCasatta/small-signatures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RCasatta/small-signatures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fsmall-signatures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fsmall-signatures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e93eb83450c31e81c46cb1357800a8f24c6d2e70
[INFO] checking RCasatta/small-signatures against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fsmall-signatures" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RCasatta/small-signatures on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RCasatta/small-signatures
[INFO] finished tweaking git repo https://github.com/RCasatta/small-signatures
[INFO] tweaked toml for git repo https://github.com/RCasatta/small-signatures written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/RCasatta/small-signatures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf90744064273d8ceb82897bb4451a368aee2fa07b0a92f9fe438d3b92ba5ddb
[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" "bf90744064273d8ceb82897bb4451a368aee2fa07b0a92f9fe438d3b92ba5ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf90744064273d8ceb82897bb4451a368aee2fa07b0a92f9fe438d3b92ba5ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf90744064273d8ceb82897bb4451a368aee2fa07b0a92f9fe438d3b92ba5ddb", kill_on_drop: false }`
[INFO] [stdout] bf90744064273d8ceb82897bb4451a368aee2fa07b0a92f9fe438d3b92ba5ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f52f77d3f5668ee888edcb7e4c9e7c66aa90f71018b1491c4d7051f5d80047
[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" "93f52f77d3f5668ee888edcb7e4c9e7c66aa90f71018b1491c4d7051f5d80047", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking arrayvec v0.3.24
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking small-signature v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "93f52f77d3f5668ee888edcb7e4c9e7c66aa90f71018b1491c4d7051f5d80047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f52f77d3f5668ee888edcb7e4c9e7c66aa90f71018b1491c4d7051f5d80047", kill_on_drop: false }`
[INFO] [stdout] 93f52f77d3f5668ee888edcb7e4c9e7c66aa90f71018b1491c4d7051f5d80047