[INFO] fetching crate lagoon 0.1.3... [INFO] checking lagoon-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lagoon 0.1.3 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate lagoon 0.1.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lagoon 0.1.3 [INFO] finished tweaking crates.io crate lagoon 0.1.3 [INFO] tweaked toml for crates.io crate lagoon 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate lagoon 0.1.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uvth v4.0.1 [INFO] [stderr] Downloaded futures-executor v0.3.15 [INFO] [stderr] Downloaded oneshot v0.1.2 [INFO] [stderr] Downloaded plotters-svg v0.3.0 [INFO] [stderr] Downloaded rustversion v1.0.5 [INFO] [stderr] Downloaded cast v0.2.6 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded plotters-backend v0.3.0 [INFO] [stderr] Downloaded criterion v0.3.4 [INFO] [stderr] Downloaded loom v0.3.6 [INFO] [stderr] Downloaded libc v0.2.96 [INFO] [stderr] Downloaded generator v0.6.25 [INFO] [stderr] Downloaded rusty_pool v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] feb7d603b66fc36e17d9091a9ed7a58b7ecd7875c34fe4717817cdad311a7650 [INFO] running `Command { std: "docker" "start" "-a" "feb7d603b66fc36e17d9091a9ed7a58b7ecd7875c34fe4717817cdad311a7650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "feb7d603b66fc36e17d9091a9ed7a58b7ecd7875c34fe4717817cdad311a7650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feb7d603b66fc36e17d9091a9ed7a58b7ecd7875c34fe4717817cdad311a7650", kill_on_drop: false }` [INFO] [stdout] feb7d603b66fc36e17d9091a9ed7a58b7ecd7875c34fe4717817cdad311a7650 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a82b2c955a48e486d87e7eb653bcba9a0290ca451703cecb95a1325f0bc5fb5f [INFO] running `Command { std: "docker" "start" "-a" "a82b2c955a48e486d87e7eb653bcba9a0290ca451703cecb95a1325f0bc5fb5f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking lagoon v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking uvth v4.0.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking rusty_pool v0.6.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "a82b2c955a48e486d87e7eb653bcba9a0290ca451703cecb95a1325f0bc5fb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a82b2c955a48e486d87e7eb653bcba9a0290ca451703cecb95a1325f0bc5fb5f", kill_on_drop: false }` [INFO] [stdout] a82b2c955a48e486d87e7eb653bcba9a0290ca451703cecb95a1325f0bc5fb5f [INFO] checking lagoon-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate lagoon 0.1.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate lagoon 0.1.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lagoon 0.1.3 [INFO] finished tweaking crates.io crate lagoon 0.1.3 [INFO] tweaked toml for crates.io crate lagoon 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate lagoon 0.1.3 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f7b3571e8a427ae33de89c04d92e0d6fd7174fb7c109a3ee77b22d1f9bbea6d [INFO] running `Command { std: "docker" "start" "-a" "9f7b3571e8a427ae33de89c04d92e0d6fd7174fb7c109a3ee77b22d1f9bbea6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f7b3571e8a427ae33de89c04d92e0d6fd7174fb7c109a3ee77b22d1f9bbea6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f7b3571e8a427ae33de89c04d92e0d6fd7174fb7c109a3ee77b22d1f9bbea6d", kill_on_drop: false }` [INFO] [stdout] 9f7b3571e8a427ae33de89c04d92e0d6fd7174fb7c109a3ee77b22d1f9bbea6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 662e1c6dc19d83eca6658f4b15a2943a8edbdef30ba7e9a85bafe3a409cc86f4 [INFO] running `Command { std: "docker" "start" "-a" "662e1c6dc19d83eca6658f4b15a2943a8edbdef30ba7e9a85bafe3a409cc86f4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking lagoon v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking uvth v4.0.1 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking rusty_pool v0.6.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "662e1c6dc19d83eca6658f4b15a2943a8edbdef30ba7e9a85bafe3a409cc86f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "662e1c6dc19d83eca6658f4b15a2943a8edbdef30ba7e9a85bafe3a409cc86f4", kill_on_drop: false }` [INFO] [stdout] 662e1c6dc19d83eca6658f4b15a2943a8edbdef30ba7e9a85bafe3a409cc86f4