[INFO] cloning repository https://github.com/matthiaskrgr/glacier2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthiaskrgr/glacier2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Fglacier2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Fglacier2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 415ccf7f1a0efb2f79bfaec412949152d3ecf345
[INFO] checking matthiaskrgr/glacier2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Fglacier2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  86% (11976/13852)
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[INFO] validating manifest of git repo https://github.com/matthiaskrgr/glacier2 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/matthiaskrgr/glacier2
[INFO] finished tweaking git repo https://github.com/matthiaskrgr/glacier2
[INFO] tweaked toml for git repo https://github.com/matthiaskrgr/glacier2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matthiaskrgr/glacier2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded alphanumeric-sort v1.4.4
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[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] 48f9d205fbfb22fece50884815c91831863e0820a4ef4a33a681f276551c8964
[INFO] running `Command { std: "docker" "start" "-a" "48f9d205fbfb22fece50884815c91831863e0820a4ef4a33a681f276551c8964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48f9d205fbfb22fece50884815c91831863e0820a4ef4a33a681f276551c8964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f9d205fbfb22fece50884815c91831863e0820a4ef4a33a681f276551c8964", kill_on_drop: false }`
[INFO] [stdout] 48f9d205fbfb22fece50884815c91831863e0820a4ef4a33a681f276551c8964
[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] e3ecf213a36d7c8bdb4c0f301701c6d34b69277915fa2e80d5076d808761e6d6
[INFO] running `Command { std: "docker" "start" "-a" "e3ecf213a36d7c8bdb4c0f301701c6d34b69277915fa2e80d5076d808761e6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]     Checking alphanumeric-sort v1.4.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking glacier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking autofix v0.1.0 (/opt/rustwide/workdir/autofix)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.17s
[INFO] running `Command { std: "docker" "inspect" "e3ecf213a36d7c8bdb4c0f301701c6d34b69277915fa2e80d5076d808761e6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ecf213a36d7c8bdb4c0f301701c6d34b69277915fa2e80d5076d808761e6d6", kill_on_drop: false }`
[INFO] [stdout] e3ecf213a36d7c8bdb4c0f301701c6d34b69277915fa2e80d5076d808761e6d6
[INFO] checking matthiaskrgr/glacier2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Fglacier2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  86% (11986/13852)
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Updating files: 100% (13852/13852), done.
[INFO] validating manifest of git repo https://github.com/matthiaskrgr/glacier2 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/matthiaskrgr/glacier2
[INFO] finished tweaking git repo https://github.com/matthiaskrgr/glacier2
[INFO] tweaked toml for git repo https://github.com/matthiaskrgr/glacier2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matthiaskrgr/glacier2 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] be4afd88bdcaa83cf9ac931e7d9049225e23d4a64123af6541356dec1cb5a03f
[INFO] running `Command { std: "docker" "start" "-a" "be4afd88bdcaa83cf9ac931e7d9049225e23d4a64123af6541356dec1cb5a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4afd88bdcaa83cf9ac931e7d9049225e23d4a64123af6541356dec1cb5a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4afd88bdcaa83cf9ac931e7d9049225e23d4a64123af6541356dec1cb5a03f", kill_on_drop: false }`
[INFO] [stdout] be4afd88bdcaa83cf9ac931e7d9049225e23d4a64123af6541356dec1cb5a03f
[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] 6fc53b9bf7adb662b8a6cabf2ab5f1aa89a483e3980532d5a59c60b48d949dd4
[INFO] running `Command { std: "docker" "start" "-a" "6fc53b9bf7adb662b8a6cabf2ab5f1aa89a483e3980532d5a59c60b48d949dd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]     Checking alphanumeric-sort v1.4.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking glacier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking autofix v0.1.0 (/opt/rustwide/workdir/autofix)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.66s
[INFO] running `Command { std: "docker" "inspect" "6fc53b9bf7adb662b8a6cabf2ab5f1aa89a483e3980532d5a59c60b48d949dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc53b9bf7adb662b8a6cabf2ab5f1aa89a483e3980532d5a59c60b48d949dd4", kill_on_drop: false }`
[INFO] [stdout] 6fc53b9bf7adb662b8a6cabf2ab5f1aa89a483e3980532d5a59c60b48d949dd4