[INFO] cloning repository https://github.com/ramiro050/contours
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramiro050/contours" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framiro050%2Fcontours", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framiro050%2Fcontours'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbe165cea0a7cce247302dc39992f4f2e984b609
[INFO] checking ramiro050/contours against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framiro050%2Fcontours" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramiro050/contours 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/ramiro050/contours
[INFO] finished tweaking git repo https://github.com/ramiro050/contours
[INFO] tweaked toml for git repo https://github.com/ramiro050/contours written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ramiro050/contours 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 puruspe v0.1.3
[INFO] [stderr]   Downloaded peroxide v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e978da3b1bdd2970c0016c4d8f6453dfe7d9c959bad2e6d572602d81832012d7
[INFO] running `Command { std: "docker" "start" "-a" "e978da3b1bdd2970c0016c4d8f6453dfe7d9c959bad2e6d572602d81832012d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e978da3b1bdd2970c0016c4d8f6453dfe7d9c959bad2e6d572602d81832012d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e978da3b1bdd2970c0016c4d8f6453dfe7d9c959bad2e6d572602d81832012d7", kill_on_drop: false }`
[INFO] [stdout] e978da3b1bdd2970c0016c4d8f6453dfe7d9c959bad2e6d572602d81832012d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a6aedc5fd0a9bb5cc97bb91fc7d49f5623d2ef0c14dddf6a360112e89abdf752
[INFO] running `Command { std: "docker" "start" "-a" "a6aedc5fd0a9bb5cc97bb91fc7d49f5623d2ef0c14dddf6a360112e89abdf752", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling peroxide v0.23.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking puruspe v0.1.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking contours v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `Command { std: "docker" "inspect" "a6aedc5fd0a9bb5cc97bb91fc7d49f5623d2ef0c14dddf6a360112e89abdf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6aedc5fd0a9bb5cc97bb91fc7d49f5623d2ef0c14dddf6a360112e89abdf752", kill_on_drop: false }`
[INFO] [stdout] a6aedc5fd0a9bb5cc97bb91fc7d49f5623d2ef0c14dddf6a360112e89abdf752
[INFO] checking ramiro050/contours against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framiro050%2Fcontours" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramiro050/contours 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/ramiro050/contours
[INFO] finished tweaking git repo https://github.com/ramiro050/contours
[INFO] tweaked toml for git repo https://github.com/ramiro050/contours written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ramiro050/contours 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ea001007419e1fda81f26e5a1d37b74b0740c19c57b85e697e53ebfda9035f75
[INFO] running `Command { std: "docker" "start" "-a" "ea001007419e1fda81f26e5a1d37b74b0740c19c57b85e697e53ebfda9035f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea001007419e1fda81f26e5a1d37b74b0740c19c57b85e697e53ebfda9035f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea001007419e1fda81f26e5a1d37b74b0740c19c57b85e697e53ebfda9035f75", kill_on_drop: false }`
[INFO] [stdout] ea001007419e1fda81f26e5a1d37b74b0740c19c57b85e697e53ebfda9035f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5364390ac1690a2aa212510fcb959a2cbce211e3b3a3c28f9579f969ee62b334
[INFO] running `Command { std: "docker" "start" "-a" "5364390ac1690a2aa212510fcb959a2cbce211e3b3a3c28f9579f969ee62b334", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling peroxide v0.23.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking puruspe v0.1.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking contours v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "5364390ac1690a2aa212510fcb959a2cbce211e3b3a3c28f9579f969ee62b334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5364390ac1690a2aa212510fcb959a2cbce211e3b3a3c28f9579f969ee62b334", kill_on_drop: false }`
[INFO] [stdout] 5364390ac1690a2aa212510fcb959a2cbce211e3b3a3c28f9579f969ee62b334