[INFO] cloning repository https://github.com/jtsagata/xsesame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtsagata/xsesame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtsagata%2Fxsesame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtsagata%2Fxsesame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28971fb5f493932c05b56ef95258101ba6d9b3e2
[INFO] checking jtsagata/xsesame against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtsagata%2Fxsesame" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtsagata/xsesame 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/jtsagata/xsesame
[INFO] finished tweaking git repo https://github.com/jtsagata/xsesame
[INFO] tweaked toml for git repo https://github.com/jtsagata/xsesame written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jtsagata/xsesame 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 utf8-cstr v0.1.6
[INFO] [stderr]   Downloaded foreign-types-macros v0.2.1
[INFO] [stderr]   Downloaded libsystemd-sys v0.8.0
[INFO] [stderr]   Downloaded cstr-argument v0.1.1
[INFO] [stderr]   Downloaded foreign-types-shared v0.3.0
[INFO] [stderr]   Downloaded build-env v0.3.0
[INFO] [stderr]   Downloaded exit-code v1.0.0
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded freedesktop_entry_parser v1.1.1
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded once_cell v1.7.1
[INFO] [stderr]   Downloaded figures-rs v0.0.1
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.87
[INFO] [stderr]   Downloaded systemd v0.8.2
[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] 3d1c21972c0e1fb5934f55ec2a29a603032141039a530bf01e01c2d9b9c4d43d
[INFO] running `Command { std: "docker" "start" "-a" "3d1c21972c0e1fb5934f55ec2a29a603032141039a530bf01e01c2d9b9c4d43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1c21972c0e1fb5934f55ec2a29a603032141039a530bf01e01c2d9b9c4d43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1c21972c0e1fb5934f55ec2a29a603032141039a530bf01e01c2d9b9c4d43d", kill_on_drop: false }`
[INFO] [stdout] 3d1c21972c0e1fb5934f55ec2a29a603032141039a530bf01e01c2d9b9c4d43d
[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] 44d8590458d76eee7afac6e1d26f659d5904f8047f135ef40f4a02833ea95274
[INFO] running `Command { std: "docker" "start" "-a" "44d8590458d76eee7afac6e1d26f659d5904f8047f135ef40f4a02833ea95274", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling build-env v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking figures-rs v0.0.1
[INFO] [stderr]     Checking exit-code v1.0.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking freedesktop_entry_parser v1.1.1
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking xsesame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "44d8590458d76eee7afac6e1d26f659d5904f8047f135ef40f4a02833ea95274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d8590458d76eee7afac6e1d26f659d5904f8047f135ef40f4a02833ea95274", kill_on_drop: false }`
[INFO] [stdout] 44d8590458d76eee7afac6e1d26f659d5904f8047f135ef40f4a02833ea95274
[INFO] checking jtsagata/xsesame against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtsagata%2Fxsesame" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtsagata/xsesame on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtsagata/xsesame
[INFO] finished tweaking git repo https://github.com/jtsagata/xsesame
[INFO] tweaked toml for git repo https://github.com/jtsagata/xsesame written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jtsagata/xsesame 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20372c99a14df6b80bbfd5045433f93a20a86ea031ae1fe5c89cc4bc532677e4
[INFO] running `Command { std: "docker" "start" "-a" "20372c99a14df6b80bbfd5045433f93a20a86ea031ae1fe5c89cc4bc532677e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20372c99a14df6b80bbfd5045433f93a20a86ea031ae1fe5c89cc4bc532677e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20372c99a14df6b80bbfd5045433f93a20a86ea031ae1fe5c89cc4bc532677e4", kill_on_drop: false }`
[INFO] [stdout] 20372c99a14df6b80bbfd5045433f93a20a86ea031ae1fe5c89cc4bc532677e4
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e678e87d1d17be2ddf0e59db62af15e88ac9da19f66ec63eec2b085d3788b20f
[INFO] running `Command { std: "docker" "start" "-a" "e678e87d1d17be2ddf0e59db62af15e88ac9da19f66ec63eec2b085d3788b20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling build-env v0.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling libsystemd-sys v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking exit-code v1.0.0
[INFO] [stderr]     Checking figures-rs v0.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.8.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking freedesktop_entry_parser v1.1.1
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking xsesame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "e678e87d1d17be2ddf0e59db62af15e88ac9da19f66ec63eec2b085d3788b20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e678e87d1d17be2ddf0e59db62af15e88ac9da19f66ec63eec2b085d3788b20f", kill_on_drop: false }`
[INFO] [stdout] e678e87d1d17be2ddf0e59db62af15e88ac9da19f66ec63eec2b085d3788b20f