[INFO] cloning repository https://github.com/ax-lab/tux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ax-lab/tux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax-lab%2Ftux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax-lab%2Ftux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a75c157b19d833ec280abc1ec63f35cbf65ba258
[INFO] checking ax-lab/tux/a75c157b19d833ec280abc1ec63f35cbf65ba258 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax-lab%2Ftux" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ax-lab/tux on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ax-lab/tux
[INFO] finished tweaking git repo https://github.com/ax-lab/tux
[INFO] tweaked toml for git repo https://github.com/ax-lab/tux written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ax-lab/tux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a412f7b7cd7f3b13057eaa72099e649dd6ae95c537976de2f04088a89c46e919
[INFO] running `Command { std: "docker" "start" "-a" "a412f7b7cd7f3b13057eaa72099e649dd6ae95c537976de2f04088a89c46e919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a412f7b7cd7f3b13057eaa72099e649dd6ae95c537976de2f04088a89c46e919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a412f7b7cd7f3b13057eaa72099e649dd6ae95c537976de2f04088a89c46e919", kill_on_drop: false }`
[INFO] [stdout] a412f7b7cd7f3b13057eaa72099e649dd6ae95c537976de2f04088a89c46e919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd784254886221f6f93c3ecc7c01137e0343986322c79fdeaa33585423b952f9
[INFO] running `Command { std: "docker" "start" "-a" "dd784254886221f6f93c3ecc7c01137e0343986322c79fdeaa33585423b952f9", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tracing v0.1.31
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking tux v0.2.2 (/opt/rustwide/workdir/tux)
[INFO] [stderr]     Checking tux_testbed v0.1.0 (/opt/rustwide/workdir/tux_testbed)
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `Command { std: "docker" "inspect" "dd784254886221f6f93c3ecc7c01137e0343986322c79fdeaa33585423b952f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd784254886221f6f93c3ecc7c01137e0343986322c79fdeaa33585423b952f9", kill_on_drop: false }`
[INFO] [stdout] dd784254886221f6f93c3ecc7c01137e0343986322c79fdeaa33585423b952f9