[INFO] cloning repository https://github.com/mystor/cargo-no_std-check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mystor/cargo-no_std-check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fcargo-no_std-check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fcargo-no_std-check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba43bda7c3959a58c879dd9f89a225e0f58195a
[INFO] checking mystor/cargo-no_std-check against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fcargo-no_std-check" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mystor/cargo-no_std-check on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mystor/cargo-no_std-check
[INFO] finished tweaking git repo https://github.com/mystor/cargo-no_std-check
[INFO] tweaked toml for git repo https://github.com/mystor/cargo-no_std-check written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mystor/cargo-no_std-check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b593bab6270afe56d092d5bb21094b6847380305c820a6a9b3e31dedb4513ae7
[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" "b593bab6270afe56d092d5bb21094b6847380305c820a6a9b3e31dedb4513ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b593bab6270afe56d092d5bb21094b6847380305c820a6a9b3e31dedb4513ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b593bab6270afe56d092d5bb21094b6847380305c820a6a9b3e31dedb4513ae7", kill_on_drop: false }`
[INFO] [stdout] b593bab6270afe56d092d5bb21094b6847380305c820a6a9b3e31dedb4513ae7
[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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 633db0a9bbf7988c97b97f3cbbbe2aaaa73cd920b4a88d8cbd8c7f40251bf960
[INFO] running `Command { std: "docker" "start" "-a" "633db0a9bbf7988c97b97f3cbbbe2aaaa73cd920b4a88d8cbd8c7f40251bf960", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking rustc_version v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking cargo-no-std-check v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "633db0a9bbf7988c97b97f3cbbbe2aaaa73cd920b4a88d8cbd8c7f40251bf960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633db0a9bbf7988c97b97f3cbbbe2aaaa73cd920b4a88d8cbd8c7f40251bf960", kill_on_drop: false }`
[INFO] [stdout] 633db0a9bbf7988c97b97f3cbbbe2aaaa73cd920b4a88d8cbd8c7f40251bf960