[INFO] fetching crate secure-password 0.3.1...
[INFO] checking secure-password-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate secure-password 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate secure-password 0.3.1 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 secure-password 0.3.1
[INFO] finished tweaking crates.io crate secure-password 0.3.1
[INFO] tweaked toml for crates.io crate secure-password 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding crossbeam v0.2.12 (latest: v0.8.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rust-argon2 v0.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[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 rust-argon2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b0c8fec5dde8c5904828be92733cc85ff033e635587ed60bce9f228441038161
[INFO] running `Command { std: "docker" "start" "-a" "b0c8fec5dde8c5904828be92733cc85ff033e635587ed60bce9f228441038161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0c8fec5dde8c5904828be92733cc85ff033e635587ed60bce9f228441038161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c8fec5dde8c5904828be92733cc85ff033e635587ed60bce9f228441038161", kill_on_drop: false }`
[INFO] [stdout] b0c8fec5dde8c5904828be92733cc85ff033e635587ed60bce9f228441038161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eeb0a2988bd5cbf98e20cc0d76075a404b8efdb22403ce57d20fd0b1eea062f1
[INFO] running `Command { std: "docker" "start" "-a" "eeb0a2988bd5cbf98e20cc0d76075a404b8efdb22403ce57d20fd0b1eea062f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rust-argon2 v0.3.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking secure-password v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.70s
[INFO] running `Command { std: "docker" "inspect" "eeb0a2988bd5cbf98e20cc0d76075a404b8efdb22403ce57d20fd0b1eea062f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb0a2988bd5cbf98e20cc0d76075a404b8efdb22403ce57d20fd0b1eea062f1", kill_on_drop: false }`
[INFO] [stdout] eeb0a2988bd5cbf98e20cc0d76075a404b8efdb22403ce57d20fd0b1eea062f1
[INFO] checking secure-password-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate secure-password 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate secure-password 0.3.1 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 secure-password 0.3.1
[INFO] finished tweaking crates.io crate secure-password 0.3.1
[INFO] tweaked toml for crates.io crate secure-password 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eec44ee8918e2849c60e58cc0147fb8eed59959a6997dbcc63e47e2af378420d
[INFO] running `Command { std: "docker" "start" "-a" "eec44ee8918e2849c60e58cc0147fb8eed59959a6997dbcc63e47e2af378420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eec44ee8918e2849c60e58cc0147fb8eed59959a6997dbcc63e47e2af378420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec44ee8918e2849c60e58cc0147fb8eed59959a6997dbcc63e47e2af378420d", kill_on_drop: false }`
[INFO] [stdout] eec44ee8918e2849c60e58cc0147fb8eed59959a6997dbcc63e47e2af378420d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e5ce60f39adbe0ef0996a98b3085fdff0d87073f01e7a8d17442b632ba188740
[INFO] running `Command { std: "docker" "start" "-a" "e5ce60f39adbe0ef0996a98b3085fdff0d87073f01e7a8d17442b632ba188740", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rust-argon2 v0.3.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking secure-password v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "e5ce60f39adbe0ef0996a98b3085fdff0d87073f01e7a8d17442b632ba188740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ce60f39adbe0ef0996a98b3085fdff0d87073f01e7a8d17442b632ba188740", kill_on_drop: false }`
[INFO] [stdout] e5ce60f39adbe0ef0996a98b3085fdff0d87073f01e7a8d17442b632ba188740