[INFO] fetching crate strung 0.1.4...
[INFO] checking strung-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate strung 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate strung 0.1.4 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 strung 0.1.4
[INFO] finished tweaking crates.io crate strung 0.1.4
[INFO] tweaked toml for crates.io crate strung 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate strung 0.1.4 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 strung_derive v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 67f97501ad30a702e2ac6498e544844c8414bc77f441b92efc50b4ee1e73785d
[INFO] running `Command { std: "docker" "start" "-a" "67f97501ad30a702e2ac6498e544844c8414bc77f441b92efc50b4ee1e73785d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f97501ad30a702e2ac6498e544844c8414bc77f441b92efc50b4ee1e73785d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f97501ad30a702e2ac6498e544844c8414bc77f441b92efc50b4ee1e73785d", kill_on_drop: false }`
[INFO] [stdout] 67f97501ad30a702e2ac6498e544844c8414bc77f441b92efc50b4ee1e73785d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d1672f200733c3b1b5a6dca3d8b458d3e2221fab281dbc6a66a148e12e8ee650
[INFO] running `Command { std: "docker" "start" "-a" "d1672f200733c3b1b5a6dca3d8b458d3e2221fab281dbc6a66a148e12e8ee650", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling strung_derive v0.1.4
[INFO] [stderr]     Checking strung v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.84s
[INFO] running `Command { std: "docker" "inspect" "d1672f200733c3b1b5a6dca3d8b458d3e2221fab281dbc6a66a148e12e8ee650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1672f200733c3b1b5a6dca3d8b458d3e2221fab281dbc6a66a148e12e8ee650", kill_on_drop: false }`
[INFO] [stdout] d1672f200733c3b1b5a6dca3d8b458d3e2221fab281dbc6a66a148e12e8ee650
[INFO] checking strung-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate strung 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate strung 0.1.4 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 strung 0.1.4
[INFO] finished tweaking crates.io crate strung 0.1.4
[INFO] tweaked toml for crates.io crate strung 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate strung 0.1.4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ad2b832acfe2d62158952884ec4806a0b9b07ab5565da2eb968a0f5bd1aaca1
[INFO] running `Command { std: "docker" "start" "-a" "3ad2b832acfe2d62158952884ec4806a0b9b07ab5565da2eb968a0f5bd1aaca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad2b832acfe2d62158952884ec4806a0b9b07ab5565da2eb968a0f5bd1aaca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad2b832acfe2d62158952884ec4806a0b9b07ab5565da2eb968a0f5bd1aaca1", kill_on_drop: false }`
[INFO] [stdout] 3ad2b832acfe2d62158952884ec4806a0b9b07ab5565da2eb968a0f5bd1aaca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c4495f22cead4f6ac570ba1ea13b7dac77cf5a1b80a0ad214180964b345c72a1
[INFO] running `Command { std: "docker" "start" "-a" "c4495f22cead4f6ac570ba1ea13b7dac77cf5a1b80a0ad214180964b345c72a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling strung_derive v0.1.4
[INFO] [stderr]     Checking strung v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.32s
[INFO] running `Command { std: "docker" "inspect" "c4495f22cead4f6ac570ba1ea13b7dac77cf5a1b80a0ad214180964b345c72a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4495f22cead4f6ac570ba1ea13b7dac77cf5a1b80a0ad214180964b345c72a1", kill_on_drop: false }`
[INFO] [stdout] c4495f22cead4f6ac570ba1ea13b7dac77cf5a1b80a0ad214180964b345c72a1