[INFO] fetching crate easy-pool 0.2.7...
[INFO] checking easy-pool-0.2.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate easy-pool 0.2.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate easy-pool 0.2.7 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 easy-pool 0.2.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate easy-pool 0.2.7
[INFO] tweaked toml for crates.io crate easy-pool 0.2.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate easy-pool 0.2.7 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 easy_pool_proc_macro v0.1.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.5
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded either v1.7.0
[INFO] [stderr]   Downloaded plotters v0.3.2
[INFO] [stderr]   Downloaded serde v1.0.139
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded serde_derive v1.0.139
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.9
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.10
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 376b1473d447592a3de2be3cbd2bdaac11b0e8c7b2838472732ed1f633864c1d
[INFO] running `Command { std: "docker" "start" "-a" "376b1473d447592a3de2be3cbd2bdaac11b0e8c7b2838472732ed1f633864c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376b1473d447592a3de2be3cbd2bdaac11b0e8c7b2838472732ed1f633864c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376b1473d447592a3de2be3cbd2bdaac11b0e8c7b2838472732ed1f633864c1d", kill_on_drop: false }`
[INFO] [stdout] 376b1473d447592a3de2be3cbd2bdaac11b0e8c7b2838472732ed1f633864c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4e98aa0118b79f1bfb16ff6a48a6db97b8340f13e09e5eb3cc2926bee346d95b
[INFO] running `Command { std: "docker" "start" "-a" "4e98aa0118b79f1bfb16ff6a48a6db97b8340f13e09e5eb3cc2926bee346d95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling easy_pool_proc_macro v0.1.0
[INFO] [stderr]     Checking easy-pool v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "4e98aa0118b79f1bfb16ff6a48a6db97b8340f13e09e5eb3cc2926bee346d95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e98aa0118b79f1bfb16ff6a48a6db97b8340f13e09e5eb3cc2926bee346d95b", kill_on_drop: false }`
[INFO] [stdout] 4e98aa0118b79f1bfb16ff6a48a6db97b8340f13e09e5eb3cc2926bee346d95b
[INFO] checking easy-pool-0.2.7 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate easy-pool 0.2.7 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate easy-pool 0.2.7 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 easy-pool 0.2.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate easy-pool 0.2.7
[INFO] tweaked toml for crates.io crate easy-pool 0.2.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate easy-pool 0.2.7 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 99a0aeeeb464252d98f38cf541d0032b0f257642f34dde122090d8115e4eeb3b
[INFO] running `Command { std: "docker" "start" "-a" "99a0aeeeb464252d98f38cf541d0032b0f257642f34dde122090d8115e4eeb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a0aeeeb464252d98f38cf541d0032b0f257642f34dde122090d8115e4eeb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a0aeeeb464252d98f38cf541d0032b0f257642f34dde122090d8115e4eeb3b", kill_on_drop: false }`
[INFO] [stdout] 99a0aeeeb464252d98f38cf541d0032b0f257642f34dde122090d8115e4eeb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b04cbe960fec1ee6ac31ff412980734e7f5f11ff9fc81a9e0f5bcefd05f51041
[INFO] running `Command { std: "docker" "start" "-a" "b04cbe960fec1ee6ac31ff412980734e7f5f11ff9fc81a9e0f5bcefd05f51041", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking plotters v0.3.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling easy_pool_proc_macro v0.1.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking easy-pool v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "b04cbe960fec1ee6ac31ff412980734e7f5f11ff9fc81a9e0f5bcefd05f51041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04cbe960fec1ee6ac31ff412980734e7f5f11ff9fc81a9e0f5bcefd05f51041", kill_on_drop: false }`
[INFO] [stdout] b04cbe960fec1ee6ac31ff412980734e7f5f11ff9fc81a9e0f5bcefd05f51041