[INFO] cloning repository https://github.com/n0-computer/iroh-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n0-computer/iroh-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Firoh-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Firoh-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7ec4fb9afe078a15ce0d6f44dadbf9855fdbbef
[INFO] checking n0-computer/iroh-io against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Firoh-io" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n0-computer/iroh-io 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 git repo https://github.com/n0-computer/iroh-io
[INFO] finished tweaking git repo https://github.com/n0-computer/iroh-io
[INFO] tweaked toml for git repo https://github.com/n0-computer/iroh-io written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n0-computer/iroh-io 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 23ce99ede16fe9e4425077a29c8d86ab37b304b4cb47a03369d4c32e474bd705
[INFO] running `Command { std: "docker" "start" "-a" "23ce99ede16fe9e4425077a29c8d86ab37b304b4cb47a03369d4c32e474bd705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ce99ede16fe9e4425077a29c8d86ab37b304b4cb47a03369d4c32e474bd705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ce99ede16fe9e4425077a29c8d86ab37b304b4cb47a03369d4c32e474bd705", kill_on_drop: false }`
[INFO] [stdout] 23ce99ede16fe9e4425077a29c8d86ab37b304b4cb47a03369d4c32e474bd705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d74abc19d98c87a4d990c232fbfb34f4436a66f2563f7f443888d0849ddd488c
[INFO] running `Command { std: "docker" "start" "-a" "d74abc19d98c87a4d990c232fbfb34f4436a66f2563f7f443888d0849ddd488c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling rustversion v1.0.13
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling axum v0.6.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking serde_path_to_error v0.1.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking iroh-io v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]   --> src/tokio_io.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use bytes::Bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `Bytes` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]   --> src/tokio_io.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use bytes::Bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `Bytes` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:363:27
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 363 |     use std::{fmt::Debug, io};
[INFO] [stdout]     |                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.08s
[INFO] running `Command { std: "docker" "inspect" "d74abc19d98c87a4d990c232fbfb34f4436a66f2563f7f443888d0849ddd488c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74abc19d98c87a4d990c232fbfb34f4436a66f2563f7f443888d0849ddd488c", kill_on_drop: false }`
[INFO] [stdout] d74abc19d98c87a4d990c232fbfb34f4436a66f2563f7f443888d0849ddd488c
[INFO] checking n0-computer/iroh-io against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Firoh-io" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n0-computer/iroh-io 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 git repo https://github.com/n0-computer/iroh-io
[INFO] finished tweaking git repo https://github.com/n0-computer/iroh-io
[INFO] tweaked toml for git repo https://github.com/n0-computer/iroh-io written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/n0-computer/iroh-io 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 82b1f28ddb4916f2a9ed26959451f3d74d81fa65388addcc4dbc0195ff416caf
[INFO] running `Command { std: "docker" "start" "-a" "82b1f28ddb4916f2a9ed26959451f3d74d81fa65388addcc4dbc0195ff416caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b1f28ddb4916f2a9ed26959451f3d74d81fa65388addcc4dbc0195ff416caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b1f28ddb4916f2a9ed26959451f3d74d81fa65388addcc4dbc0195ff416caf", kill_on_drop: false }`
[INFO] [stdout] 82b1f28ddb4916f2a9ed26959451f3d74d81fa65388addcc4dbc0195ff416caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0cbaa193c3f87e8777693d4d3f6f9f75a1518b401dfff1722a97d8bc50aabcb3
[INFO] running `Command { std: "docker" "start" "-a" "0cbaa193c3f87e8777693d4d3f6f9f75a1518b401dfff1722a97d8bc50aabcb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling rustversion v1.0.13
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking serde_path_to_error v0.1.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking iroh-io v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]   --> src/tokio_io.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use bytes::Bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `Bytes` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]   --> src/tokio_io.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use bytes::Bytes;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `Bytes` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:363:27
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 363 |     use std::{fmt::Debug, io};
[INFO] [stdout]     |                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.00s
[INFO] running `Command { std: "docker" "inspect" "0cbaa193c3f87e8777693d4d3f6f9f75a1518b401dfff1722a97d8bc50aabcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbaa193c3f87e8777693d4d3f6f9f75a1518b401dfff1722a97d8bc50aabcb3", kill_on_drop: false }`
[INFO] [stdout] 0cbaa193c3f87e8777693d4d3f6f9f75a1518b401dfff1722a97d8bc50aabcb3